DTC C0061-62; DTC C0062-62; DTC C0063-62: Built-in Lateral Acceleration, Longitudinal Acceleration, & Yaw Rate Sensor Failure (Signal Compare 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.

• 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. Test-drive the vehicle under these conditions:

  • Vehicle speed at 31 mph (50 km/h) or more
  • Do not press the brake pedal for 20 seconds or more
  • Change lanes 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
  C0061-62 Built-in Lateral Acceleration Sensor Failure (Signal Compare Failure)
  C0062-62 Built-in Longitudinal Acceleration Sensor Failure (Signal Compare Failure)
  C0063-62 Built-in Yaw Rate Sensor Failure (Signal Compare Failure)

  Is DTC C0061-62, C0062-62, or C0063-62 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. Test-drive the vehicle under these conditions:

  • Vehicle speed at 31 mph (50 km/h) or more
  • Do not press the brake pedal for 20 seconds or more
  • Change lanes a few times

  NOTE: 

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

  4. Check for DTCs with the HDS.

  Is DTC C0061-62, C0062-62, or C0063-62 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.