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Right Power Door Lock Inoperative

WARNING: This page is about a different car, the 2000 Chevrolet Corvette and 1999 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. If power door systems diagnostic system check has been performed, go to next step. If power door systems diagnostic system check has not been performed, go to POWER DOOR SYSTEMS DIAGNOSTIC SYSTEM CHECK  under DIAGNOSTIC TESTS.
  2. Check for mechanical binding or obstructions at door latch, lock rods or door lock mechanism and repair as necessary. If no mechanical binding or obstructions are found, go to next step. If any mechanical binding or obstructions are found and repaired, go to step  14 .
  3. Connect scan tool to Data Link Connector (DLC) located under steering column. Select RDCM DISPLAY DTC function on scan tool. If DTCs B2237, B2239 or B2277 are stored as history, go to POWER DOOR LOCK DIAGNOSTIC TROUBLE CODE  table under SELF-DIAGNOSTIC SYSTEM. If DTCs B22376, B2239 or B2277 are not stored as history, go to next step.
  4. Using scan tool, command Right Door Control Module (RDCM) to lock and unlock right door. If right door locks and unlocks, go to step  6 . If right door does not lock and unlock, go to next step.
  5. Turn ignition off. Disconnect right door lock actuator connector. Turn ignition on. Connect test light between terminals "A" and "B" of door lock actuator connector. Using scan tool, command RDCM to lock and unlock right door. If test light comes on and turns off with each command, go to step  11 . If test light does not come on and turn off with each command, go to step  8 .
  6. Using scan tool, monitor DOOR LOCK SWITCH status. Press door lock/unlock switch to LOCK position. If DOOR LOCK SWITCH status changes with switch activation, go to next step. If DOOR LOCK SWITCH status does not change, go to step  9 .
  7. Press door lock/unlock switch to UNLOCK position. If DOOR LOCK SWITCH status changes with switch activation, go to next step. If DOOR LOCK SWITCH status does not change, go to step  10 .
  8. Check for open or short to ground in Gray or Tan wires between RDCM and right door lock actuator. See WIRING DIAGRAMS  . If faulty circuit is found and repaired, go to step  14 . If circuit is okay, go to step  12 .
  9. Check for open in Black or Red/Black wires between RDCM and right door lock/unlock switch. If faulty circuit is found and repaired, go to step  14 . If circuit is okay, go to step  13 .
  10. Check for open in Orange/Black wire between RDCM and right door lock/unlock switch. If faulty circuit is found and repaired, go to step  14 . If circuit is okay, go to step  13 .
  11. Replace right door lock actuator. See DOOR LOCK ACTUATOR  under REMOVAL & INSTALLATION. After repairs, go to step  14 .
  12. Replace right door control module. See DOOR CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to step  14 .
  13. Replace right door lock/unlock switch. See DOOR LOCK/UNLOCK SWITCH  under REMOVAL & INSTALLATION. After repairs, go to next step.
  14. Recheck system operation. If system operates properly, repair is complete. If system does not operate properly, go to step  2 .
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