Body Control Module (BCM)
The Body Control Module (BCM) controls the door locking, interior lighting and remote alarm portions of the keyless entry system. Refer to Body Control System Description in Body Control System for more information regarding the BCM. Description and OperationDiagnostic Trouble Codes (DTCs)
The Remote Control Door Lock Receiver (RCDLR) sends door locking and remote alarm command messages to the Body Control Module (BCM) through the RFA link.
The BCM may set these DTCs related to the keyless entry:
^ DTC B2802 RFA Link Circuit Shorted to Ground
^ DTC B2803 RFA Link Circuit Shorted to B+
^ DTC B2805 RFA Programming Message Not Received
^ DTC B2806 RFA Link Parity Error
Refer to Body Control Module Diagnostic Information in Body Control System for more information. Testing and Inspection