Fuel and Emissions Systems DTC Troubleshooting Index
DTC Troubleshooting Index

DTC
(MIL indication*)
Two Drive
Cycle Detection
Detection Item
MIL
???
Variable Valve Timing Control (VTC) Oil Control Solenoid Valve A Malfunction
ON
?
Variable Valve Timing Control (VTC) A System Malfunction
ON
???
Variable Valve Timing Control (VTC) Oil Control Solenoid Valve B Malfunction
ON
?
Variable Valve Timing Control (VTC) B System Malfunction
ON
?
Turbocharger Bypass Control Solenoid Valve Circuit Low Voltage
ON
?
Turbocharger Bypass Control Solenoid Valve Circuit High Voltage
ON
???
Turbocharger Wastegate Control Actuator Position Exceeded Learning Limit
ON
???
Turbocharger Wastegate Control Actuator Circuit Malfunction
ON
???
Turbocharger Wastegate Control Actuator Circuit Range/Performance Problem
ON
?
Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem
ON
?
Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem
ON
???
Turbocharger Power Supply Circuit Malfunction
ON
???
Fuel Rail Pressure Too Low
ON
???
Fuel Rail Pressure Too High
ON
?
Intake Air Temperature (IAT) Sensor 2 Circuit Range/Performance Problem
ON
?
Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage
ON
?
Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage
ON
?
Turbocharger Boost Sensor/Barometric Pressure (BARO) Sensor Incorrect Correlation
ON
???
Mass Air Flow (MAF) Sensor Circuit Malfunction
ON
?
Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem (Out of Range)
ON
?
Manifold Absolute Pressure (MAP) Sensor Out of Range
ON
???
Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
ON
???
Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
ON
?
Intake Air Temperature (IAT) Sensor 1 Circuit Range/Performance Problem
ON
?
Intake Air Temperature (IAT) Sensor 1 Circuit Low Voltage
ON
?
Intake Air Temperature (IAT) Sensor 1 Circuit High Voltage
ON
?
Engine Coolant Temperature (ECT) Sensor 1 Out of Range
ON
?
Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem
ON
???
Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage
ON
???
Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage
ON
?
Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem
ON
?
Intake Air Temperature (IAT) Sensor 1 Circuit Range/Performance Problem
ON
?
Throttle Position (TP) Sensor A Out of Range
ON
???
Throttle Position (TP) Sensor A Circuit Low Voltage
ON
???
Throttle Position (TP) Sensor A Circuit High Voltage
ON
?
Engine Coolant Temperature (ECT) Sensor 1 Malfunction/Slow Response
ON
?
Cooling System Malfunction
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Out of Range
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Malfunction/Slow Response
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater System Malfunction
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Heater Circuit Malfunction
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Low Voltage
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit High Voltage
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Slow Response
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Heater Circuit Malfunction
ON
?
Fuel System Too Lean
ON
?
Fuel System Too Rich
ON
?
Fuel Rail Pressure Sensor Out of Range
ON
???
Fuel Rail Pressure Sensor Circuit Low Voltage
ON
???
Fuel Rail Pressure Sensor Circuit High Voltage
ON
???
No. 1 Cylinder Injector Circuit Malfunction
ON
???
No. 2 Cylinder Injector Circuit Malfunction
ON
???
No. 3 Cylinder Injector Circuit Malfunction
ON
???
No. 4 Cylinder Injector Circuit Malfunction
ON
?
Throttle Position (TP) Sensor B Out of Range
ON
???
Throttle Position (TP) Sensor B Circuit Low Voltage
ON
???
Throttle Position (TP) Sensor B Circuit High Voltage
ON
???
Turbocharger Overboost Problem
ON
?
Turbocharger Boost Sensor Out of Range
ON
?
Turbocharger Boost Sensor Circuit Range/Performance Problem
ON
???
Turbocharger Boost Sensor Circuit Low Voltage
ON
???
Turbocharger Boost Sensor Circuit High Voltage
ON
?
Turbocharger Boost Sensor/Manifold Absolute Pressure (MAP) Sensor Incorrect Correlation
ON
???
Turbocharger Underboost Problem
ON
P0300 (211)
and any combination of the following:
P0301 (71)
P0302 (72)
P0303 (73)
P0304 (74)
?
Random Misfire Detected
ON
?
No. 1 Cylinder Misfire Detected
ON
?
No. 2 Cylinder Misfire Detected
ON
?
No. 3 Cylinder Misfire Detected
ON
?
No. 4 Cylinder Misfire Detected
ON
?
Knock Sensor Malfunction
ON
?
Knock Sensor Circuit Low Voltage
ON
?
Knock Sensor Circuit High Voltage
ON
???
Crankshaft Position (CKP) Sensor No Signal
ON
???
Crankshaft Position (CKP) Sensor Circuit Intermittent Interruption
ON
???
Camshaft Position (CMP) Sensor A No Signal
ON
?
Camshaft Position (CMP) Sensor A and Crankshaft Position (CKP) Sensor Incorrect Phase Detected
ON
???
Camshaft Position (CMP) Sensor A Circuit Intermittent Interruption
ON
???
No. 1 Cylinder Ignition Coil Circuit Malfunction
ON
???
No. 2 Cylinder Ignition Coil Circuit Malfunction
ON
???
No. 3 Cylinder Ignition Coil Circuit Malfunction
ON
???
No. 4 Cylinder Ignition Coil Circuit Malfunction
ON
???
Camshaft Position (CMP) Sensor B Circuit No Signal
ON
?
Camshaft Position (CMP) Sensor B and Crankshaft Position (CKP) Sensor Incorrect Phase Detected
ON
???
Camshaft Position (CMP) Sensor B Circuit Intermittent Interruption
ON
?
Catalyst System Efficiency Below Threshold
ON
?
Evaporative Emission (EVAP) System Purge Flow Malfunction
ON
?
Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction
ON
?
Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem
ON
?
Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage
ON
?
Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
ON
?
Evaporative Emission (EVAP) System Large Leak Detected
ON
?
Evaporative Emission (EVAP) System Very Small Leak Detected
ON
???
Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Range/Performance Problem
OFF
?
Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Low Voltage
OFF
?
Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit High Voltage
OFF
?
Radiator Fan Control (RFC) System Malfunction
OFF
?
Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit Low Voltage
ON
?
Evaporative Emission (EVAP) Canister Vent Shut Valve Circuit High Voltage
ON
?
Evaporative Emission (EVAP) System High Purge Flow Detected
ON
?
Evaporative Emission (EVAP) System Incorrect Purge Flow Detected
ON
?
Evaporative Emission (EVAP) System Low Purge Flow Detected
ON
?
Idle Control System RPM Lower than Expected
ON
?
Idle Control System RPM Higher than Expected
ON
?
Cold Start Idle Air Control System Performance Problem
ON
?
Cold Start Idle Speed Problem
ON
?
A/C Pressure Sensor Circuit Low Voltage
OFF
?
A/C Pressure Sensor Circuit High Voltage
OFF
???
Charging System Low Voltage
OFF
?
Powertrain Control Module (PCM) Power Source Circuit Unexpected Voltage
OFF
?
Brake Pedal Position Switch Circuit Malfunction
OFF
???
Powertrain Control Module (PCM) Serial Communication Failure
ON
???
Powertrain Control Module (PCM) Programming Error
ON
???
Powertrain Control Module (PCM) Internal Control Module Malfunction
ON
?
Starter Cut Relay Diagnosis Circuit Malfunction
OFF
???
Starter Cut Relay Diagnosis Circuit Low Voltage
OFF
???
Starter Cut Relay Diagnosis Circuit High Voltage
OFF
???
Powertrain Control Module (PCM) Internal Malfunction (Torque Calculation)
ON
???
Powertrain Control Module (PCM) Internal Circuit Malfunction
ON
???
Powertrain Control Module (PCM) Internal Control Module Keep Alive Memory (KAM) Error
ON
???
VIN Not Programmed or Mismatch
ON
???
Sensor Reference Voltage A Malfunction
ON
???
Sensor Reference Voltage B Malfunction
ON
???
Powertrain Control Module (PCM) Power Supply Circuit Malfunction
ON
???
ACG No Charging Malfunction
OFF
???
Internal VCC Power Malfunction
ON
?
Brake Pedal Position Switch (NC) Malfunction
OFF
?
Output Shaft (Countershaft) Speed Sensor Circuit Malfunction
ON
???
Clutch Pedal Position Switch A Circuit High Voltage
OFF
???
Neutral Position Sensor A/B Incorrect Voltage Correlation
OFF
???
Neutral Position Sensor A Circuit Low Voltage
OFF
???
Neutral Position Sensor A Circuit High Voltage
OFF
???
Variable Valve Timing Control (VTC) A Advance Malfunction
ON
???
Variable Valve Timing Control (VTC) B Advance Malfunction
ON
?
Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem
ON
?
Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem
ON
?
Evaporative Emission (EVAP) System Purge Flow Malfunction at turbocharging
ON
???
Charging System High Voltage
OFF
???
Battery Sensor Internal Failure
OFF
???
Electronic Throttle Control System (ETCS) Control Relay ON Malfunction
ON
???
Electronic Throttle Control System (ETCS) Control Relay OFF Malfunction
ON
???
Throttle Valve Default Position Spring Performance Problem
ON
???
Throttle Valve Return Spring Performance Problem
ON
???
Alternator B Terminal Circuit Low Voltage
OFF
???
PGM-FI-ACG LIN Communication Error
OFF
???
PGM-FI-Battery Sensor LIN Communication Error
OFF
???
ACG High-temperature
OFF
???
Starter Cut Relay 1 Control Circuit Low Voltage
OFF
???
Starter Cut Relay 2 Control Circuit Low Voltage
OFF
???
Starter Cut Relay 1 Control Circuit High Voltage
OFF
???
Starter Cut Relay 2 Control Circuit High Voltage
OFF
???
Neutral Position Sensor B Circuit Low Voltage
OFF
???
Neutral Position Sensor B Circuit High Voltage
OFF
?
Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected
ON
?
Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected
ON
?
Post Catalyst Fuel Trim System Too Lean
ON
?
Post Catalyst Fuel Trim System Too Rich
ON
???
Electronic Throttle Control System (ETCS) Malfunction
ON
???
Throttle Actuator Control Module Performance
ON
???
Throttle Actuator Current Range/Performance Problem
ON
???
Throttle Actuator Control Throttle Body Range/Performance
ON
?
Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Out of Range
ON
???
Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit Low Voltage
ON
???
Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit High Voltage
ON
?
Accelerator Pedal Position (APP) Sensor B (Throttle Position (TP) Sensor E) Out of Range
ON
???
Accelerator Pedal Position (APP) Sensor B (Throttle Position (TP) Sensor E) Circuit Low Voltage
ON
???
Accelerator Pedal Position (APP) Sensor B (Throttle Position (TP) Sensor E) Circuit High Voltage
ON
???
Throttle Position (TP) Sensor A/B Incorrect Voltage Correlation
ON
???
Accelerator Pedal Position (APP) Sensor A/B (Throttle Position (TP) Sensor D/E) Incorrect Voltage Correlation
ON
?
Injector Power Supply Circuit Malfunction
ON
???
Throttle Actuator Control System Idle Position Not Learned
ON
?
Engine Coolant Temperature (ECT) Sensor 2 Out of Range
ON
?
Engine Coolant Temperature (ECT) Sensor 2 Circuit Range/Performance Problem
ON
?
Engine Coolant Temperature (ECT) Sensor 2 Circuit Low Voltage
ON
?
Engine Coolant Temperature (ECT) Sensor 2 Circuit High Voltage
ON
?
Fuel System Too Lean at Idle
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Signal Stuck Lean
ON
?
Intake Air Temperature (IAT) Sensor 1-2 Incorrect Correlation
ON
?
No. 1 Cylinder Air-Fuel Ratio Variation
ON
?
No. 2 Cylinder Air-Fuel Ratio Variation
ON
?
No. 3 Cylinder Air-Fuel Ratio Variation
ON
?
No. 4 Cylinder Air-Fuel Ratio Variation
ON
?
Barometric Pressure (BARO) Sensor Circuit Malfunction
ON
?
Barometric Pressure (BARO) Sensor Circuit Low Voltage
ON
?
Barometric Pressure (BARO) Sensor Circuit High Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) IP Circuit High Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) IP Circuit Low Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) VCENT Circuit High Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) VCENT Circuit Low Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) VS Circuit High Voltage
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) VS Circuit Low Voltage
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit Signal Stuck Lean
ON
?
Intake Air System Leak
ON
?
Evaporative Emission (EVAP) Canister Vent Shut Valve Stuck Closed Malfunction
ON
?
Evaporative Emission (EVAP) System Purge Line Non-return Valve A Stuck Open
ON
?
Turbocharger Wastegate Control Actuator Position Sensor Out of Range
ON
???
Turbocharger Wastegate Control Actuator Position Sensor Circuit Low Voltage
ON
???
Turbocharger Wastegate Control Actuator Position Sensor Circuit High Voltage
ON
?
Powertrain Control Module (PCM) Ignition Off Internal Timer Malfunction
ON
???
High Pressure Fuel Pump Spill Valve Malfunction
ON
?
Air Fuel Ratio (A/F) Sensor (Sensor 1) Circuit Range/Performance Problem
ON
?
Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) Circuit Range/Performance Problem
ON
???
F-CAN Malfunction (BUS-OFF (Powertrain Control Module (PCM)))
ON
???
F-CAN Malfunction (Powertrain Control Module (PCM)-VSA Modulator-Control Unit)
OFF
???
F-CAN Malfunction (Powertrain Control Module (PCM)-Electric Parking Brake Control Unit)
OFF
???
F-CAN Malfunction (Powertrain Control Module (PCM)-EPS Control Unit)
OFF
???
F-CAN Malfunction (Powertrain Control Module (PCM)-SRS Unit)
OFF
???
F-CAN Malfunction (Powertrain Control Module (PCM)-Gauge Control Module)
ON
???
F-CAN Malfunction (Powertrain Control Module (PCM)-Power Control Unit (PCU))
OFF
NOTE: The above DTCs are indicated when the PGM-FI system is selected with the HDS.
*: These DTCs are indicated by a blinking MIL when the SCS line is jumped with the HDS. Some DTCs do not cause the MIL to blink when the SCS line is jumped; these DTCs are shown in the gauge display.