Diagnostic Test

VERIFY THE DTC IS ACTIVE
NOTE:
This DTC must be active for the results of this test to be valid.
1. Perform any Service Bulletins that may apply.
2. Turn the ignition on.
3. With the scan tool, read DTCs and record on vehicle work order.
4. With the scan tool, erase DTCs.
5. Turn the ignition off.
6. Wait ten seconds.
7. Turn the ignition on.
8. With the scan tool, read the EPS DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
  - Perform the EPS VERIFICATION TEST. Refer to EPS VERIFICATION TEST .
WRONG VIN PROGRAMMED IN PCM
1. Turn the ignition on.
2. With the scan tool, read the VIN in the PCM.
3. Compare VIN in the PCM to the vehicle VIN.
  Is the correct VIN programmed in the PCM?
  
  Yes
  - Go To 3
  No
  - Program the correct VIN into the PCM. Follow the VIN programing procedure in the PCM/ECM reprogramming procedure. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
INITIALIZE THE EPS MODULE
1. With the scan tool, perform the EPS Learn routine.
2. Turn ignition off.
3. Cycle the ignition from off to on.
4. Wait ten seconds.
5. With the scan tool, read the EPS DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Electric Power Steering (EPS) Module in accordance with Service Information. Refer to GEAR, REMOVAL .
  - Perform the EPS VERIFICATION TEST. Refer to EPS VERIFICATION TEST .
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.