B2204 ECU Configuration Mismatch

B2204 code - The Wireless Control Module (WCM)/Sentry Key Remote Entry Module (SKREEM) receives different information than is configured within the module. Examples include model year, country code, body style, platform, remote start, sun roof.

Possible causes

• Wireless Control Module (WCM)/ Sentry Key Remote Entry Module (SKREEM).

Diagnose DTC B2204 ECU Configuration Mismatch

1. Turn the ignition on.

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

• Review that 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 VIN match.

With the scan tool, clear DTCs. Perform 5 cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle. With the scan tool, select view DTCs.

Does the DTC reset?

YES, replace and program the WCM/SKREEM.

Note: If this vehicle is equipped with a steering column control module, it must be replaced along with the WCM/SKREEM.

Perform the WCM system verification. 

NO, the DTC is not active at this time. Test complete.

Share this post