GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Corvette 🢒 Body and Accessories 🢒 Retained Accessory Power 🢒 Retained Accessory Power (RAP) On After Timeout

Diagnostic Aids

All Retained Accessory Power (RAP) functions on this vehicle are controlled by the Body Control Module (BCM) using Class 2 serial data. If Class 2 communication between the Radio, BCM and Data Link Connector is functioning properly, and the door ajar switches are working properly, replace the BCM.

Step

Action

Yes

No

Schematic Reference: Retained Accessory Power (RAP) Schematics

1

Did you perform a Diagnostic System Check - Retained Accessory Power?

Go to Step 2

Go to Diagnostic System Check - Retained Accessory Power

2

Verify that the doors are closed and perform the following:

  1. Turn ON the ignition, engine OFF for 5 seconds.
  2. Turn OFF the ignition.

Do the RAP functions operate normally?

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

Go to Step 3

3
  1. Install a scan tool.
  2. Open driver door.
  3. With the scan tool, verify the Driver Door Ajar Switch input indicates Open.

Does the switch input indicate Open?

Go to Step 4

Go to Door Ajar Indicator Inoperative in Doors

4

Important:: Perform the set up procedure for the control module after replacement if needed.

Replace the Body Control Module. Refer to Body Control Module Replacement .

Did you complete the replacement?

System OK

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