DTC B1339: Device Power No. 3 Circuit Open: Description
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.
Body Control Module (BCM) monitors condition of load battery voltage supply circuits. When BCM receives 9-16 volts from CLSTR/BCM fuse, BCM tests to verify voltage and grounds are present for BCM outputs. Battery feed circuit, from HTD SEAT fuse, provides power for following items:
- Heated Seats
- Retained Accessory Power (RAP) Relay Coil
- Rear Defogger Relay Coil
- Door Locks
- Trunk Release Motor