Body Control Module (BCM)

Turn ignition switch to LOCK position. Disconnect BCM harness connectors. Ensure battery voltage exists at appropriate terminal at BCM harness connector with ignition switch in appropriate position. See BCM POWER SUPPLY CIRCUIT CHECK  table. See Figure -Figure . If voltage is not as specified with ignition switch in appropriate position, repair power distribution circuit(s) as necessary. See WIRING DIAGRAMS  .