|
DTC Advanced Diagnostics: C0051-54
DTC C0051-54: Steering Angle Neutral Position Learning Incomplete
NOTE
|
|
Initial Diagnosis:
The initial on-board diagnosis occurs right after the vehicle condition is turned to the ON mode, and the ABS/VSA indicator comes on, and continues until the indicator goes off. |
|
|
Regular Diagnosis:
The regular on-board diagnosis begins right after the ABS/VSA indicator goes off, and it continues until the vehicle condition is turned to the OFF (LOCK) mode. |
|
|
Review "How to troubleshoot the VSA system" before doing the DTC troubleshooting procedure. |
|
|
Test-drive the vehicle according to local traffic conditions and regulations. Do not test-drive on a lift unless specified. |
|
|
The possible causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. |
|
Confirmation Procedure |
Basic Condition:
|
|
12 volt battery voltage 9.6 - 16.5 V |
|
|
No other DTCs detected |
With the Driving Pattern:
|
1. |
Turn the vehicle to the ON mode. | |
|
Execution |
Regular Diagnosis |
|
Duration |
About 1 second |
|
DTC Type |
|
|
1 drive cycle |
|
|
Brake system indicator (amber) on |
|
|
VSA indicator on | |
|
Fail Safe Action |
|
|
Degrade ABS performance |
|
|
Stop engine drag torque control function |
|
|
Stop TCS function |
|
|
Stop VSA function |
|
|
Stop agile handling assist function |
|
|
Stop hill start assist function |
|
|
Stop automatic brake hold function |
|
|
Stop ACC function* |
|
|
Stop CMBS function* | |
|
Possible Cause |
|
|
Steering angle neutral position not learned |
|
|
EPS motor/control unit internal failure |
|
|
VSA modulator-control unit internal failure | | |
|
| | 
