GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 Body and Accessories 🢒 Retained Accessory Power 🢒 Diagnostic System Check - Retained Accessory Power

Step

Action

Yes

No

1

Attempt to operate the vehicle courtesy lamps and the power door locks.

Are the courtesy lamps and the power door locks operational?

Go to Step 2

Go to Cannot Enter BCM Diagnostics in Body Control Systems

2

Check for body control module (BCM) DTCs. Refer to Diagnostic Trouble Code (DTC) Displaying in Body Control Systems.

Does the BCM flash DTC 23/33?

Go to Diagnostic Trouble Code (DTC) List/Type

Go to Step 3

3

Does the BCM flash any other DTCs?

Go to Diagnostic Trouble Code (DTC) List/Type in Body Control Systems

Go to Symptoms - Retained Accessory Power