LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Body Control Modules) >> Self-Diagnostic System >> Retained Accessory Power Diagnostic System Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Retained Accessory Power Diagnostic System Check

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Retrieve and display DTCs by entering Body Control Module (BCM) using SECURITY indicator diagnostic mode. See RETRIEVING BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODES . If diagnostic mode is entered and DTCs are retrieved, go to next step. If diagnostic mode cannot be entered, perform TEST C: CANNOT ENTER BODY CONTROL MODULE DIAGNOSTICS  under SYSTEM TESTS.
  2. If DTCs 12 and 55 are retrieved, go to next step. If DTCs 12 and 55 are not retrieved, perform TEST C: CANNOT ENTER BODY CONTROL MODULE DIAGNOSTICS  under SYSTEM TESTS.
  3. If DTCs 23 or 33 are not retrieved, go to next step. If DTCs 23 or 33 are retrieved, perform appropriate test in accordance with DTC retrieved. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
  4. If any other DTCs are retrieved, perform appropriate test in accordance with DTC retrieved. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no other DTCs are retrieved, repair power windows or convertible top as necessary. See appropriate POWER WINDOWS and/or POWER CONVERTIBLE TOPS article.