Diagnostic Procedure
- If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, see DIAGNOSTIC SYSTEM CHECK .
- Turn ignition off. Disconnect RCDLR. Connect a test light between terminal "E" and ground. See Figure . Turn ignition on, engine off. If test light is on, go to next step. If test light is off, go to step 4 .
- Check Light Green wire or Black wire between RCDLR connector terminal "E" and BCM connector C3 terminal A1 for short to power. See WIRING DIAGRAMS . If problem was found, repair as necessary, and go to step 6 . If problem was not found, go to step 5 .
- Check RCDLR connector for poor connections. If connector is okay, replace RCDLR. See REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) under REMOVAL & INSTALLATION. Reprogram transmitters. See TRANSMITTER PROGRAMMING under PROGRAMMING. Go to step 6 .
- Check BCM connectors for poor connections. If connectors are okay, replace BCM. See appropriate BODY CONTROL MODULES article. Go to next step.
- Using scan tool, clear DTCs. Operate system to verify repair.