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DTC B1339: Device Power No. 3 Circuit Open: Testing

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform diagnostic system check for suspect system control module. See DIAGNOSTIC SYSTEM CHECK  table under SELF-DIAGNOSTIC SYSTEM. Repair as necessary and go to step  6. If diagnostic system check has been performed for suspect system control module, go to next step.
  2. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). Switch to BCM input data list on scan tool. Using scan tool, monitor LOADS BATTERY FD parameter and DOORS BATTERY FD parameter. If both parameters are active, go to DIAGNOSING INTERMITTENTS . If either parameter is not active, go to next step.
  3. Check battery feed circuit that did not display ACTIVE in previous step for an open. See WIRING DIAGRAMS . If open is not found, go to next step. If open is found, Repair as necessary and go to step  6.
  4. Check for poor terminal contact at BCM harness connector. Repair as necessary and go to step  6. If connection is okay, go to next step.
  5. Replace BCM. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Program BCM. See BODY CONTROL MODULE  under PROGRAMMING. After repair, go to next step.
  6. Turn ignition switch to OFF position. Reconnect any disconnected components and harness connectors. Using scan tool, clear DTCs. Operate vehicle within CODE ENABLE CRITERIA  conditions. Using scan tool, retrieve DTCs. If DTC B1339 resets, return to step  2. If DTC B1339 does not reset, system is okay.
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