DTC 54

DTC 54: Fail-safe Relay Malfunction

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II).
5. Check for DTCs with the HDS.

Is DTC 54 indicated?

YES - Replace the servo unit.

NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the servo unit 25P connector. Refer to intermittent failures troubleshooting.