CVT System Symptom Troubleshooting Index
NOTE: Do an all DTC check with the HDS, and troubleshoot any DTCs first before following the repair procedures listed in the index.

Electrical System Symptom Troubleshooting
Symptom
Probable cause(s)
Notes
When the ignition switch is turned ON (II), the A/T gear position indicator displays an improper indication, or it never displays at all
F-CAN communication line error
Gauge control module defective
PCM defective
When you press the engine start/stop button to select the ON mode, the A/T gear position indicator displays an improper indication, or it never displays at all
    
A/T gear position indicator does not indicate with the shift lever in that position
F-CAN communication line error
Gauge control module defective
Transmission range switch defective or out of adjustment
PCM defective
Shift lever cannot be moved from P while pressing on the brake pedal
Shift lock solenoid defective
Shift lock solenoid control circuit
Shift lock mechanism defective
Brake pedal position switch circuit
Brake pedal position switch defective
Accelerator pedal position sensor circuit
Accelerator pedal position sensor defective
Transmission range switch ATPP switch stuck OFF
Transmission range switch ATPP switch line opened
Relative throttle position sensor value too high
Throttle body defective
Shift indicator does not work
F-CAN communication line error
Gauge control module defective
Transmission range switch defective
PCM defective
When you press the paddle shifter + (upshift switch) in D and S, the transmission does not upshift
A problem in the paddle shifter + (upshift switch) circuit
Check the paddle shifter + (upshift switch) circuit.
When you press the paddle shifter - (downshift switch) in D and S, the transmission does not downshift
A problem in the paddle shifter - (downshift switch) circuit
Check the paddle shifter - (downshift switch) circuit.
M indicator does not come on even though the paddle shifter is operated in sequential shift mode.
F-CAN communication line error
Gauge control module defective
PCM defective
Transmission range switch defective
HDS does not communicate with the PCM
DLC circuit error
Troubleshooting the DLC circuit.

Hydraulic/Mechanical System Symptom Troubleshooting
Symptom
Probable cause(s)
Notes
Engine does not start
PCM defective
Shift cable broken or out of adjustment
Control pin broken
Transmission range switch defective or out of adjustment
Drive plate worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check for a loose shift cable at the shift lever and the transmission control lever.
Inspect the transmission range switch.
Inspect the drive plate for wear and damage. If the drive plate is worn or damaged, replace it.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine runs, but vehicle does not move in any position
Low transmission fluid (HCF-2) level
Transmission range switch defective or out of adjustment
Engine output low
Transmission fluid strainer or transmission fluid filter clogged
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Input shaft worn or damaged
Secondary drive gear or secondary driven gear worn or damaged
Final driven gear worn or damaged
Sun gear worn or damaged
Control shaft assembly worn or damaged
Control lever worn or damaged
Park pawl and pawl shaft worn or damaged
Manual valve lever and lever pin worn or damaged
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the transmission fluid (HCF-2) level.
Inspect the transmission range switch.
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Check the secondary drive gear, the secondary driven gear, and the final driven gear for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.
Check the control lever for wear and damage.
Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the manual valve lever and the lever pin for wear and damage.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Vehicle does not move in D, S, or L
Transmission range switch defective
Shift cable broken or out of adjustment
Control pin broken
Engine output low
Forward clutch assembly defective
Reverse brake worn or damaged
Reverse brake piston stuck
Sun gear worn or damaged
Manual valve lever and lever pin worn or damaged
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the manual valve lever and lever pin for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Vehicle does not move in R
Transmission range switch defective
Shift cable broken or out of adjustment
Control pin broken
Forward clutch assembly defective
Reverse brake defective
Reverse brake piston stuck
Planetary carrier worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged
Manual valve lever and lever pin worn or damaged
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.
Check the manual valve lever and lever pin for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Engine stops when shifted to D from N
Engine output low
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Reverse brake defective
Reverse brake piston stuck
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine stops when shifted to R from N
Engine output low
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Forward clutch assembly defective
Planetary carrier worn or damaged
Thrust needle bearing on planetary carrier seized, worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
No shift to higher or lower ratio
PCM defective
Low transmission fluid (HCF-2) level
Transmission fluid strainer or transmission fluid filter clogged
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Poor acceleration
PCM defective
CVT drive pulley speed sensor defective
Engine output low
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine revs up abnormally high while driving, and no acceleration
PCM defective
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Reverse brake defective
Reverse brake piston stuck
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Excessive shock when accelerating and decelerating
PCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Reverse brake defective
Reverse brake piston stuck
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
No engine braking
PCM defective
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Vehicle does not creep on a flat road in D, S, or L
PCM defective
CVT drive pulley speed sensor defective
Engine output low
Low transmission fluid (HCF-2) level
Transmission fluid strainer or transmission fluid filter clogged
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Vehicle moves in N, shift cable is properly adjusted
Forward clutch assembly defective
Reverse brake defective
Reverse brake piston stuck
Reverse brake return springs/retainer worn or damaged
Input shaft needle bearing seized, worn or damaged
Manual valve lever and lever pin worn or damaged
Stator shaft worn or damaged
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the input shaft assembly for wear and damage. If the input shaft or the input shaft needle bearings are worn or damaged, replace them and also check the related part of the input shaft assembly for wear and damage.
Check the manual valve lever and lever pin for wear and damage.
Check the stator shaft for wear and damage.
Late shift after shifting to D from N, and return to N
PCM defective
Torque converter turbine speed sensor defective
Low transmission fluid (HCF-2) level
Transmission range switch defective
Shift cable broken or out of adjustment
Control pin broken
Transmission fluid strainer or transmission fluid filter clogged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Manual valve lever and lever pin worn or damaged
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the transmission fluid (HCF-2) level.
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Check the manual valve lever and lever pin for wear and damage.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Late shift after shifting to R from N, and return to N
PCM defective
Torque converter turbine speed sensor defective
Low transmission fluid (HCF-2) level
Transmission range switch defective
Shift cable broken or out of adjustment
Control pin broken
Transmission fluid strainer or transmission fluid filter clogged
Transmission fluid feed pipe worn, damaged, or out of round
Reverse brake defective
Reverse brake piston stuck
Manual valve lever and lever pin worn or damaged
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the transmission fluid (HCF-2) level.
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the manual valve lever and lever pin for wear and damage.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Unstable engine speed
PCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or transmission fluid filter clogged
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Reverse brake defective
CVT drive pulley pressure control solenoid valve defective
CVT driven pulley pressure control solenoid valve defective
CVT clutch pressure control solenoid valve defective
CVT lock-up clutch control solenoid valve defective
Shift solenoid valve B defective
Shift solenoid valve O/P defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the CVT drive pulley pressure control solenoid valve.
Inspect the CVT driven pulley pressure control solenoid valve.
Inspect the CVT clutch pressure control solenoid valve defective.
Inspect the CVT lock-up clutch control solenoid valve.
Inspect the shift solenoid valve B.
Inspect the shift solenoid valve O/P.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive shock when starting off
PCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or transmission fluid filter clogged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Reverse brake defective
Reverse brake piston stuck
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Vibration in all positions
Engine output low
Input shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive idle vibration in R, D, S, or L
PCM defective
Engine output low
Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Input shaft worn or damaged
Reverse brake defective
Reverse brake piston stuck
Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Solenoid wire harness worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Inspect the solenoid wire harness for open and short.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive idle vibration in N and P
PCM defective
Engine output low
Forward clutch assembly defective
Input shaft worn or damaged
Reverse brake defective
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Noise from transmission in N and P
Forward clutch assembly defective
Input shaft worn or damaged
Reverse brake defective
Input shaft needle bearing or 32 x 42 mm thrust shim seized, worn or damaged
Planetary carrier worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the input shaft needle bearing and the 32 x 42 mm thrust shim for seize, wear and damage. If the input shaft needle bearing or the 32 x 42 mm thrust shim are seized, worn or damaged, replace them and also check the related part of the input shaft assembly for wear and damage.
Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Noise from transmission in D, S, or L
Input shaft worn or damaged
Secondary drive/driven gear worn or damaged
Final driven gear worn or damaged
Control shaft assembly worn or damaged
Park pawl and pawl shaft worn or damaged
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Check the secondary drive/driven gear for wear and damage.
Check the final driven gear for wear and damage.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.
Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Noise from transmission in R
Input shaft worn or damaged
Reverse brake defective
Reverse brake piston stuck
Reverse brake return springs/retainer worn or damaged
Input shaft needle bearing or 32 x 42 mm thrust shim seized, worn or damaged
Planetary carrier worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged
Control shaft assembly worn or damaged
Park pawl and pawl shaft worn or damaged
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Inspect the input shaft needle bearing and the 32 x 42 mm thrust shim for seize, wear and damage. If the input shaft needle bearing or the 32 x 42 mm thrust shim are seized, worn or damaged, replace them and also check the related part of the input shaft assembly for wear and damage.
Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.
Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Stall speed high
PCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid feed pipe worn, damaged, or out of round
Forward clutch assembly defective
Input shaft worn or damaged
Reverse brake defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid (HCF-2) level.
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid feed pipe for wear, damage, and out of round.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Stall speed low
PCM defective
Engine output low
Transmission fluid feed pipe worn, damaged, or out of round
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check for a stored DTC, and check for loose connectors.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Judder when starting off
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or transmission fluid filter clogged
Transmission fluid feed pipe worn, damaged, or out of round
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Main valve body defective
Secondary valve body defective
Linear solenoid valve body defective
Clutch reducing valve body defective
Check the transmission fluid (HCF-2) level.
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris.
Check the transmission fluid feed pipe for wear, damage, and out of round.
Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Check the main valve body for wear and damage.
Check the secondary valve body for wear and damage.
Check the linear solenoid valve body for wear and damage.
Check the clutch reducing valve body for wear and damage.
Shift lever does not operate smoothly
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Control shaft assembly worn or damaged
Control lever worn or damaged
Park pawl and pawl shaft worn or damaged
Manual valve lever and lever pin worn or damaged
Stator shaft worn or damaged
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.
Check the control lever for wear and damage.
Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the manual valve lever and the lever pin for wear and damage.
Check the stator shaft for wear and damage.
Transmission will not shift into P, or transmission cannot shift out of P
PCM defective
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Control shaft assembly worn or damaged
Control lever worn or damaged
Park pawl and pawl shaft worn or damaged
Manual valve lever and lever pin worn or damaged
Secondary valve body defective
Stator shaft worn or damaged
Check for a stored DTC, and check for loose connectors.
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.
Check the control lever for wear and damage.
Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the manual valve lever and the lever pin for wear and damage.
Check the secondary valve body for wear and damage.
Check the stator shaft for wear and damage.
A/T gear position indicator does not indicate shift lever positions
PCM defective
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Control shaft assembly worn or damaged
Check for a stored DTC, and check for loose connectors.
Inspect the transmission range switch.
Check for a loose shift cable at the shift lever and the transmission control lever.
Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly.