LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1999 >> Century Custom >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> Diagnostic Tests >> DTC B1015: VIN Information Error >> Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1015: VIN Information Error: Testing

  1. If BCM diagnostic system check was performed, go to next step. If BCM diagnostic system check was not performed, go to BCM DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS.
  2. Using scan tool, clear BCM DTCs. Reenter VIN information to BCM. Turn ignition off. Wait 10 seconds. Turn ignition on. Using scan tool, check for codes. If DTC B1015 is set, go to next step. If DTC B1015 is not set, go to step  4 .
  3. Replace BCM. See BODY CONTROL MODULE (BCM)  under REMOVAL & INSTALLATION. Reprogram BCM. See NEW BCM SETUP  under PROGRAMMING. Go to step  5 .
  4. System is operating properly at this time. See DIAGNOSTIC AIDS  .
  5. Turn ignition off. Reinstall all components and connectors. Turn ignition on. Using scan tool, clear DTCs. Check for DTCs. If any DTCs are current, perform BCM DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS. If no DTCs are current, system is operating properly.