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Rap Inoperative

  1. Perform RETAINED ACCESSORY POWER (RAP) DIAGNOSTIC SYSTEM CHECK  . Go to next step.
  2. Verify fault exists. If system operates properly, fault may be intermittent. Check for damaged terminals, backed out terminals, poor terminal contact or chafed or internally broken wire. Check for intermittent connections and circuits by wiggling wires and connectors. If fault exists, go to next step.
  3. Close all doors. If door ajar indicator turns off when all doors are closed, go to next step. If door ajar indicator does not go off when doors are closed, see POWER DOOR LOCKS - IMPALA & MONTE CARLO article.
  4. Replace BCM. See BODY CONTROL MODULE (BCM)  under REMOVAL & INSTALLATION. Perform new BCM setup. See NEW BCM SETUP  under PROGRAMMING. After programming BCM, go to next step.
  5. Check system operation. If system operates properly, system okay at this time. If system does not operate properly, go to step  3 .
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