B2229-SKREEM INTERNAL - SKIM IMMOBILIZER

For a complete wiring diagram, refer to the Wiring Information.

When Monitored:
With the ignition on.
Set Condition:
When the Antenna diagnostic test fails.

Possible Causes
WIRELESS CONTROL MODULE (WCM)/SENTRY KEY REMOTE ENTRY MODULE (SKREEM)

VERIFY THAT THE DTC IS ACTIVE

1.	Turn the ignition on.

NOTE: Before continuing, review and check for the following:

Review the repair history of the vehicle.

Ensure that the vehicle has the correct PCM and WCM/SKREEM installed by verifying the part numbers.

With the scan tool, ensure that the PCM and WCM/SKREEM are programmed correctly. Compare the PCM VIN to the WCM/SKREEM VIN and ensure the two VINs match.

2.	With the scan tool, clear DTCs.

3.	Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.

4.	With the scan tool, read DTCs.

Does the DTC reset?

Yes

Replace and program the Wireless Control Module (WCM)/Sentry Key Remote Entry Module (SKREEM) in accordance with the Service Information.

NOTE: If this vehicle is equipped with a Steering Column Lock Module, it must be replaced along with the WCM/SKREEM.
Perform the WCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Wireless Control (WCM) - Standard Procedure)

The DTC is not active at this time. Test complete.

B2229-SKREEM INTERNAL - SKIM IMMOBILIZER

Possible Causes