2007 Liberty KJ Factory Service Manual 8 - ELECTRICAL

SKREEM/SKIM-VIN MISMATCH

For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
PCM NOT PROGRAMMED OR PROGRAMMED WITH INCORRECT VIN
 
SKREEM/SKIM
 
PCM
 




Diagnostic Test

1. VERIFY THAT THE DTC IS ACTIVE

Turn the ignition on.
With the scan tool, record and erase the SKREEM/SKIM DTCs.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on and wait 2 minutes.
With the scan tool, read the SKREEM/SKIM DTCs.

Did this DTC reset?

Yes


No

2. VERIFY THAT THE PCM IS PROGRAMMED WITH THE CORRECT VIN

Display and record the VIN programmed in the PCM as follows:

NOTE: Make sure that a VIN is programmed in the PCM. If the VIN does not display, attempt to program the PCM with the correct VIN before continuing.



Is the PCM programmed with the correct VIN?

Yes


No

3. VERIFY THAT THE DTC IS STILL ACTIVE

Turn the ignition off.
Replace and program the SKREEM/SKIM in accordance with the Service Information.
Turn the ignition on.
With the scan tool, erase all PCM and SKREEM/SKIM DTCs.
Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.
With the scan tool, check for SKREEM/SKIM DTCs.

Did this DTC reset?

Yes


No