DTC Troubleshooting: C0061-49, C0063-49

DTC C0061-49: Built-in Acceleration Sensor Failure (Internal Circuit Failure)
DTC C0063-49: Built-in Yaw Rate Sensor Failure (Internal Circuit Failure)

NOTE:

	Before you troubleshoot, review the general troubleshooting information.
	The yaw rate-acceleration sensor is built into the VSA modulator-control unit.
	Before troubleshooting, check the VSA modulator-control unit for proper mounting. If not properly installed, the VSA modulator-control unit may set these codes.

DTC Description	DTC	Freeze Frame
C0061-49 Built-in Acceleration Sensor Failure (Internal Circuit Failure)
C0063-49 Built-in Yaw Rate Sensor Failure (Internal Circuit 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.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
C0061-49 Built-in Acceleration Sensor Failure (Internal Circuit Failure)
C0063-49 Built-in Yaw Rate Sensor Failure (Internal Circuit Failure)

Is DTC C0061-49 or C0063-49 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.?

VSA modulator-control unit check (update):

VSA modulator-control unit check (update)

?1.	Update the VSA modulator-control unit if it does not have the latest software.

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

?3.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame

Is DTC C0061-49 or C0063-49 indicated?


	YES

Check for loose terminals and poor connections in the VSA modulator-control unit 38P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit.?


	NO

Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?