VSA System

VSA DTC Troubleshooting: 81

DTC 81: Central Processing Unit (CPU)

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

2. Check for other system DTCs.

Is another DTC indicated?
YES - Do the appropriate troubleshooting for the DTC.

NO - Go to step 3.


3. Clear the DTC with the HDS.

4. Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

5. Check for DTCs with the HDS.

Is DTC 81 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, Service and Repair and retest.

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