Schematic Reference: Retained Accessory Power (RAP) Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Observe the following parameters in body control module (BCM), driver door module (DDM), passenger door module (PDM) and liftgate control module (LGM) data list:

•	Left Rear Door Ajar Sw.

•	Right Rear Door Ajar Sw.

•	Door Ajar Switch

•	Liftgate Ajar Switch

•	Liftglass Ajar Switch

2. Open and close each door while observing the respective parameter.

Does the scan tool display change from On/Closed to Off/Ajar?

Go to Step 3

Go to Symptoms - Lighting Systems in Lighting Systems

1. Install a scan tool. Select diagnostic circuit check and then class 2 power mode.
2. Close all the doors.
3. Turn ON the ignition, with the engine OFF.
4. Wait 5 seconds then turn the ignition OFF.
5. Wait the time-out for retained accessory power (RAP).

Did the scan tool display the RAP power mode, then time-out and display Off-Awake power mode?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 4

Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

Replace the BCM. Refer to Control Module References for replacement, setup and programming.

Did you complete the procedure?

Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2