C2202

C2202-ORIGINAL VIN MISMATCH / MISSING



- When Monitored:
Ignition on.

- Set Condition:
This DTC will set if the current VIN does not match the broadcast VIN.





1. DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs.
3. Turn ignition off to the lock position.
4. Ignition on, engine not running.
5. Wait ten seconds.
6. With the scan tool, read DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Go To 3

2. WRONG VIN PROGRAMMED IN ECM
1. Ignition on, engine not running.
2. With the scan tool, read the VIN in the ECM.
3. Compare VIN in the ECM to the vehicle VIN.

Is the correct VIN programmed in the ECM?

Yes

- Replace the Anti-lock Brake System (ABS) Module.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.

No

- Replace the Engine Control Module (ECM).
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test.

3. COMMUNICATION DTCS PRESENT
1. Turn the ignition off to the lock position.
2. Perform any Technical Service Bulletins that may apply.
3. With the scan tool, read DTCs in all other modules.

Are any communications DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure.

No

- Test Complete.