DTC Troubleshooting: C0051-62, C0051-96
DTC C0051-62: Steering Angle Sensor Failure (Signal Compare Failure)
DTC C0051-96: Steering Angle Sensor Failure (Sensor Detects Internal Failure)
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
C0051-62 Steering Angle Sensor Failure (Signal Compare Failure)
    
C0051-96 Steering Angle Sensor Failure (Sensor Detects Internal Failure)
    

1.
EPS system DTCs check:

EPS system DTCs check
?1.
Turn the vehicle to the ON mode.

?2.
Check for EPS system DTCs with the HDS.
DTC Description
DTC
Freeze Frame
     

Are any DTCs indicated?

     
YES
     
     
     
Go to indicated DTCs troubleshooting.?
     
NO
     
     
     
Go to step 2.
2.
DTC check:

DTC check
?1.
Clear the DTC with the HDS.


?2.
Turn the vehicle to the OFF (LOCK) mode.

?3.
Start the engine, then turn the steering wheel from lock to lock several times.

?4.
Test-drive the vehicle at 31 mph (50 km/h) or more for 10 seconds or more.
NOTE: Drive the vehicle on the road, not on a lift.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C0051-62 Steering Angle Sensor Failure (Signal Compare Failure)
    
C0051-96 Steering Angle Sensor Failure (Sensor Detects Internal Failure)
    
U0029-00 CAN Communication Failure (Bus OFF)
    
U0126-00 CAN Communication Failure with Absolute Steering Wheel Angle Sensor
    

Is DTC C0051-62 or C0051-96 indicated?

     
YES
     
     
     
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit.?
     
YES
     
     
     
If DTC U0029-00 or U0126-00 are also indicated, go to DTC U0029-00 or U0126-00.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.?