GM Service Manual Online
For 1990-2009 cars only

Retained Accessory Power (RAP) On After Timeout No Relay, Class 2

Step

Action

Yes

No

Connector End View Reference: Body Control System Connector End Views in Body Control System and Master Electrical Component List in Wiring Systems

1

Did you perform the retained accessory power (RAP) diagnostic system check?

Go to Step 2

Go to Diagnostic System Check - Retained Accessory Power

2

  1. Install a scan tool.
  2. With the scan tool, observe all door jamb switches.
  3. Open and close each door.

Does the scan tool display change from active to inactive?

Go to Step 3

Go to Diagnostic System Check - Lighting Systems in Lighting Systems

3

  1. Close all of the doors.
  2. Turn the ignition switch to the ON position, then to the OFF position.
  3. Wait 10 minutes.
  4. Attempt to operate the radio and power windows after 10 minutes.

Do both the Radio and Power Windows operate after 10 minutes has elapsed?

Go to Step 4

Go to Step 6

4

Inspect the BCM for the following conditions:

    • Poor connections
    • Intermittent faults

Refer to the following in Wiring Systems:

    •  Connector Repairs

Did you find and correct the condition?

Go to Step 6

Go to Step 5

5

Important: Setup and reprogram the module.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Does RAP power mode function normally?

System OK

Go to Step 2