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Symptom: IOD WAKE UP OPEN - PLG - BCM When Monitored and Set Condition: IOD WAKE UP OPEN - PLG - BCM When Monitored: Anytime the Body Control Module is awake. Set Condition: If the BCM does not sense a signal circuit from the Liftgate Module this code will set. POSSIBLE CAUSES DTC PRESENT BODY CONTROL MODULE - IOD WAKE UP OPEN LIFTGATE MODULE WAKE UP SIGNAL WIRE OPEN LIFTGATE MODULE WAKE UP SIGNAL WIRE SHORT TO GROUND POWER LIFTGATE MODULE TEST ACTION APPLICABILITY 1 With the DRBIII t, record and erase DTC’s. Turn the ignition off, wait 10 seconds, then turn the ignition on. t, read DTCs. Does the DRBIII t display IOD WAKE UP OPEN? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. 2 Disconnect the BCM C2 connector. All Yes → Replace the Body Control Module. Perform BODY VERIFICATION TEST - VER 1. No → Go To 3 3 Disconnect the Body Control Module C2 connector. All Yes → Go To 4 No → Repair the Liftgate Module Wake Up Signal wire for an open. Perform BODY VERIFICATION TEST - VER 1. 1005 POWER DOORS - LIFTGATE |