Diagnostic Test

1) ACTIVE DTC
Ignition on, engine not running.

With the scan tool, read the PCM DTCs.

Is the DTC active at this time?

Yes
1. Go To 2).
No
1. Go To 6).
2) NO COMMUNICATION WITH SKREEM
With the scan tool, attempt to communicate with the SKREEM.

Can the scan tool communicate with the SKREEM?

Yes
1. Go To 3).
No
1. Refer to VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure.
2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
3) SKREEM TROUBLE CODES SET
With the scan tool, check for SKREEM DTCs.

Are any DTCs present in the SKREEM?

Yes
1. Refer to VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure.
2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
No
1. Go To 4).
4) VIN PROGRAMMED INTO PCM
With the scan tool, display the VIN that is programmed in the PCM.

Has a VIN been programmed into the PCM?

Yes
1. Go To 5).
No
1. Program the correct VIN into the PCM and retest.
2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
5) PCM
Turn the ignition off.

Replace and program the SKREEM per Service Information. Refer to STANDARD PROCEDURE - PCM/ECM/SKREEM PROGRAMMING .

Ignition on, engine not running.

With the scan tool, erase all SKREEM and PCM DTCs.

Attempt to start and idle the engine.

With the scan tool, read the PCM DTCs.

Does the scan tool display this code?

Yes
1. NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Replace and program the Powertrain Control Module per Service Information. Refer to MODULE-POWERTRAIN CONTROL and STANDARD PROCEDURE - PCM/ECM/SKREEM PROGRAMMING .
2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
No
1. Test Complete.
6) IGNITION KEY
NOTE: You must obtain the SKREEM pin number.

NOTE: This DTC could have been set if the SKREEM harness connector was disconnected, or if the SKREEM was replaced recently.

NOTE: All keys that the customer uses for this vehicle must be tested to verify they are operating properly.

Ignition on, engine not running.

Verify the correct VIN is programmed into the PCM and SKREEM.

Turn the ignition off.

With each customer key, turn the ignition on and crank the engine to start.

With the scan tool, read the PCM DTCs. Look for P0513.

NOTE: If this DTC cannot be reset, it could have been an actual theft attempt.

Is the Good Trip Counter for DTC P0513 displayed and equal to 0?

Yes
1. Replace the Ignition Key.
2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
No
1. Test Complete.