Diagnostic Test
- 1) PROGRAMMING VIN INTO THE PCM
Ignition on, engine not running.
Using the scan tool, program VIN into the PCM.
Start the engine.
NOTE: If the engine will not start, crank the engine over for 15 seconds. Crank at least 2 times with the ignition switch returning to the off position each time.Allow the engine to reach normal operating temperature.
With the scan tool, read DTCs.
Does the DTC reset?
Yes
- Replace and program the Powertrain Control Module per Service Information. Refer to MODULE-POWERTRAIN CONTROL and STANDARD PROCEDURE - PCM/ECM/SKREEM PROGRAMMING .
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
No
- The VIN has been successfully programmed into the PCM. Test is complete.
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .