B1A27 SKREEM Programming Performance

Possible causes B1A27 SKREEM Programming Performance

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

1. Verify that the DTC is active

Turn the ignition on.

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

B1A27 SKREEM Programming Performance

  • 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.
Note: If DTC B1A27 is presently set as an active fault; and was not active or stored before reprogramming one or more of the original keys / FOBIKs, verify the following information.

Verify that the reprogramming was done to the original WIN or a new replacement WIN and all of the vehicle keys / FOBIKs function correctly. Once all this has been verified, and if the B1A27 DTC remains ACTIVE, the ACTIVE status is no longer valid.

Note: The DTC may be cleared by either and ECU reset, battery disconnect or by removing and replacing the WIN fuse. Clear the faults and verify the B1A27 fault then does not appear.

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

Does the DTC reset?

YES, replace and program the Wireless Control Module (WCM)/Sentry Key Remote Entry Module (SKREEM).

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

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