Electronic Power Steering Module (EPS)

C2129-17 BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Ignition on. Battery voltage between 9 and 16 volts.

- Set Conditions:
The Electronic Power Steering (EPS) Module detects the battery voltage has increased above 16 Volts for more than 15 seconds.





Diagnostic Test

1. CHARGING SYSTEM DTCS PRESENT
1. Ignition on, engine not running.
2. With the scan tool, read DTCs in the PCM.

Are there any Charging System or related voltage DTCs present?

Yes

- Perform the appropriate Charging System DTC diagnostic procedures before continuing with this test. Testing and Inspection.

No

- Go To 2

2. VERIFY THE DTC IS ACTIVE

NOTE: This DTC must be active for the results of this test to be valid.

1. Turn the ignition on.
2. With the scan tool, read and record the DTCs.
3. With the scan tool, erase the DTCs.
4. Start the engine.
5. With the scan tool, read and record the DTCs.

Is the DTC active at this time?

Yes

- Replace the Electronic Power Steering (EPS) Module. Steering Gear - Removal.
- Perform the EPS VERIFICATION TEST. EPS Verification Test.

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time.
- Perform the EPS VERIFICATION TEST. EPS Verification Test.