VSA System
Control System DTCs
VSA DTC Troubleshooting: 54-13
DTC 54-13 : Fail-Safe Relay Power Source Malfunction
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the how to troubleshoot the VSA system Reading and Clearing Diagnostic Trouble Codes.
1. Problem verification:
-1. Turn the ignition switch to ON (II).
-2. Clear the DTC with the HDS.
-3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
-4. Check for DTCs with the HDS.
Is DTC 54-13 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.
2. VSA modulator-control unit check (update):
-1. Update the VSA modulator-control unit if it does not have the latest software Programming and Relearning.
-2. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
-3. Check for DTCs with the HDS.
Is DTC 54-13 indicated?
-YES- Check for loose terminals 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 Service and Repair.
-NO- Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.