23-01

EPS DTC Troubleshooting: 23-01, 32-0C, 34-01, 35-01, 35-02, 35-04, 35-05, 35-08, 35-0A, 36-02, 37-01, 38-01

DTC 23-01: F-CAN Data Stuck ON (Initial Diagnosis/Regular Diagnosis)

DTC 32-0C: Battery Current Detect Circuit (Initial Diagnosis)

DTC 34-01: Power Relay Stuck ON (Initial Diagnosis)

DTC 35-01: EPS Control Unit Internal Circuit (CPU) (Initial Diagnosis/Regular Diagnosis)

DTC 35-02: EPS Control Unit Internal Circuit (EEPROM1) (Initial Diagnosis/Regular Diagnosis)

DTC 35-04: EPS Control Unit Internal Circuit (CPU Communication) (Initial Diagnosis/Regular Diagnosis)

DTC 35-05: EPS Control Unit Internal Circuit (A/D Conversion) (Initial Diagnosis/Regular Diagnosis)

DTC 35-08: EPS Control Unit Internal Circuit (EEPROM2) (Initial Diagnosis/Regular Diagnosis)

DTC 35-0A: EPS Control Unit Internal Circuit (CPU Operation Device) (Regular Diagnosis)

DTC 36-02: EPS Control Unit Internal Circuit (INH Output Circuit) (Initial Diagnosis)

DTC 37-01: EPS Control Unit Internal Circuit (Step-up Circuit) (Initial Diagnosis/Regular Diagnosis)

DTC 38-01: EPS Control Unit Internal Circuit (Temperature Sensor) (Initial Diagnosis/Regular 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. Start the engine.

5. Check for DTCs with the HDS.

Is DTC 23-01, 32-0C, 34-01, 35-01, 35-02, 35-04, 35-05, 35-08, 35-0A, 36-02, 37-01, or 38-01 indicated?
YES - Check for loose terminals in the EPS, control unit connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit. Service and Repair

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