Vehicle Stability Assist

DTC 53: Motor Stuck ON

1. Turn the ignition switch ON (II) and check the pump motor.

Is the pump motor working?

YES - Replace the VSA modulator-control unit.

NO - Go to step 2.

2. Turn the ignition switch OFF.
3. Disconnect the VSA modulator-control unit.
4. Check for continuity between VSA modulator-control unit 46P connector terminal No. 46 and body ground.





Is there continuity?

YES - Go to step 5.

NO - Repair open in the wire between the VSA modulator-control unit and body ground (G302).

5. Reconnect the VSA modulator-control unit 46P connector.
6. Clear the DTCs with the HDS.
7. Turn the ignition switch OFF, then disconnect the HDS.
8. Test-drive the vehicle at 10 mph (15 km/h) or more.
9. Connect the HDS, and check for DTCs with the HDS.

Does the ABS indicator come on, and is DTC 53 indicated?

YES - Check for loose terminals in the VSA modulator-control unit 46P connector. If connections are good, replace the VSA modulator-control unit.

NO - Intermittent failure, the system is OK at this time.