Remote Keyless Entry (RKE) Diagnostic System Check
- Connect scan tool to Data Link Connector (DLC). Turn ignition on. Attempt to establish communications with vehicle. If scan tool communicates with vehicle, go to next step. If scan tool does not communicate with vehicle, go to BODY CONTROL MODULES - DEVILLE & ELDORADO article.
- Attempt to communicate with Remote Function Actuator (RFA) module. If scan tool communicates with RFA module, go to next step. If scan tool does not communicate with RFA module, go to REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE .
- Check for Diagnostic Trouble Codes (DTCs) in RFA module. If any current RKE DTCs are present, go to REMOTE KEYLESS ENTRY SYSTEM DTCs table. If no DTCs are set, go to REMOTE KEYLESS ENTRY (RKE) SYSTEM CHECK under TROUBLE SHOOTING.