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DTC B0807: Battery For Door Lock Circuit (Open): 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  .
  2. Check DOOR LOCKS fuse (20-amp), located in instrument panel fuse block. If fuse is blown, go to next step. If fuse is okay, go to step 6).
  3. Replace DOOR LOCKS fuse. Check DOOR LOCKS fuse. If fuse is blown, go to step 8). If fuse is okay, go to next step.
  4. Turn ignition switch to LOCK, then RUN position. Press lock on either door lock switch. Check DOOR LOCKS fuse. If fuse is blown, go to step 9). If fuse is okay, go to next step.
  5. Press unlock on either door lock switch. Check DOOR LOCKS fuse. If fuse is blown, go to step 10). If fuse is okay, go to next step.
  6. Turn ignition switch to LOCK position. Disconnect BCM Natural 10-pin connector C3. Connect test light between BCM harness connector C3, terminal "J" (Orange wire) and ground. If test light illuminates, go to next step. If test light does not illuminate, go to step 11).
  7. Turn ignition switch to LOCK position. Reinstall all components and connectors. Turn ignition switch to RUN position. Using scan tool, clear DTCs. Check for DTCs. If DTC B0807 is set, go to step 12). If DTC B0807 is not set, go to step 13).
  8. Repair short to ground in Orange wire between BCM connector C3 and instrument panel fuse block. Go to step 14).
  9. Repair short to ground in Gray wire(s) between BCM connector C3 and power door locks. Go to step 14).
  10. Repair short to ground in Tan wire(s) between BCM connector C3 and power door locks. Go to step 14).
  11. Repair poor connection or open in Orange wire between BCM connector C3 and instrument panel fuse block. Go to step 14).
  12. Check for poor connection at BCM connector C3, terminal "J" (Orange wire). If connection is okay, replace BCM. See REMOVAL & INSTALLATION. Reprogram BCM. See BCM PROGRAMMING  . Go to step 14).
  13. System is operating properly at this time. See DIAGNOSTIC AIDS. After any repairs are made, go to next step.
  14. Turn ignition switch to LOCK position. Reinstall all components and connectors. Turn ignition switch to RUN position. Using scan tool, clear DTCs. Check for DTCs. If any DTCs are current, perform BCM DIAGNOSTIC SYSTEM CHECK  . If no DTCs are current, system is operating properly.
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