Manufacturer Code Charts: 25

VSA DTC Troubleshooting: 25, 26

DTC 25:

Yaw Rate Sensor (Sensor Unit)

DTC 26:

Lateral Acceleration Sensor (Sensor Unit)

1. Turn the ignition switch to ON (II).

2. Clear the DTC's with the HDS.

3. Test-drive the vehicle around a number of corners.

NOTE: Drive the vehicle on the road, not on a lift.

4. Check for DTCs with the HDS.

Is DTC 25 or 26 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose terminals between the VSA modulator-control unit 46P connector and the yaw rate-lateral acceleration sensor 4P connector. Refer to intermittent failures troubleshooting Reading and Clearing Diagnostic Trouble Codes.�

5. Turn the ignition switch to LOCK (0).

6. Substitute a known-good yaw rate-lateral acceleration sensor Service and Repair.

7. Turn the ignition switch to ON (II).

8. Clear the DTC with the HDS.

9. Test-drive the vehicle at 19 mph (30 km/h) or more, and go distance of 984 ft (300 m) or more.

NOTE: Drive the vehicle on the road, not on a lift.

10. Check for DTCs with the HDS.

Is DTC 25 or 26 indicated?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. If necessary, substitute a known-good VSA modulator-control unit Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.

NO -

Replace the original yaw rate-lateral acceleration sensor Service and Repair.�