DTC C0051-96 (VSA Control Unit)

DTC C0051-96 : Steering Angle Sensor Failure (Sensor Detects Internal Failure)

NOTE

Initial Diagnosis:
The initial on-board diagnosis occurs right after the vehicle condition is turned to the ON mode, and the ABS, VSA, and brake system indicator (amber) come on, and continues until the indicator goes off.
Regular Diagnosis:
The regular on-board diagnosis begins right after the ABS, VSA, and brake system indicator (amber) go 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 Operating Condition: Start the engine. Test-drive the vehicle at 31 mph (50 km/h) or more for 10 seconds. Turn the steering wheel stable to left. Turn the steering wheel stable to right.(Drive the vehicle on the road, not on a lift. Be careful of the surrounding traffic conditions.)
Execution	Regular Diagnosis
Duration	About 1 second
DTC Type	1 drive cycle VSA indicator on
Fail Safe Action	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 control function Stop starting assist brake function* 1 Stop parking cooperation assist function* 2
Possible Cause	Steering angle sensor failure VSA modulator-control unit internal failure

*1: With auto idle stop system

*2: 9-speed A/T