LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2001 >> DeVille Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Diagnostic Tests >> DTC B1014: Program ROM Checksum Error >> Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1014: Program ROM Checksum Error: Testing

  1. If diagnostic system check has been performed for module in malfunctioning system, go to next step. If diagnostic system check has not been performed, go to DIAGNOSTIC SYSTEM CHECKS  and perform diagnostic system check for malfunctioning module.
  2. Connect scan tool to Data Link Connector (DLC). See Figure. Turn ignition on. Retrieve DTCs using scan tool. If DTC B1014 is set as current, go to next step. If DTC B1014 is not set as current, check for intermittent circuits and connections.
  3. Replace module that set DTC as current. See appropriate procedure under REMOVAL & INSTALLATION . After replacement, go to next step.
  4. Use scan tool to clear DTCs. Turn ignition off and back on. Recheck for DTCs. If DTC resets, return to step  2. If DTC does not reset, system is okay at this time.