39-01

EPS DTC Troubleshooting: 39-01, 39-02

DTC 39-01: EPS Control Unit Internal Circuit (Initial Diagnosis)

DTC 39-02: EPS Control Unit Internal Circuit (Initial Diagnosis)

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).

Is DTC 39-01 or DTC 39-02 indicated?
YES - Replace the EPS control unit. Service and Repair

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EPS control unit.