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.

DTCs (VSA)

1. 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.

2. 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.