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)

Problem verification:

Problem verification

?1.	Turn the vehicle to the ON mode.

?2.	Clear the DTC with the HDS.

?3.	Turn the vehicle to the OFF (LOCK) mode, then start the engine.

?4.

Test-drive the vehicle under these conditions:

	Vehicle speed at 45 mph (72 km/h) or more
	Change lanes for a few times

NOTE:

	Drive the vehicle on the road, not on a lift.
	Be careful of the surrounding traffic conditions.

?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)

Is DTC C0051-62 or C0051-96 indicated?


	YES

The failure is duplicated. Go to step 2.


	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.?

DTC check (EPS control unit):

DTC check (EPS control unit)

?1.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame

Is DTC indicated?


	YES

Go to indicated DTC's troubleshooting.?


	NO

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.?