Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- If the body control module (BCM) door locks ground circuit 550 is open from the center console fuse block connector C2, DTC B1349 will not set. The BCM takes a redundant path to ground through another ground circuit in the center console fuse block.
- The BCM is mounted directly on top of the center console fuse block and is connected to the fuse block through BCM connector C3. If during the replacement of the BCM the C3 connector is not fully seated in the center console fuse block, DTC B1349 may set. If the fault occurred after BCM replacement, DTC B1349 may be set with DTC B1354.
- Check the BCM mounting to the center console fuse block. The BCM connector C3 may have come loose from the fuse block.
- If DTC B1349 is a history DTC, the fault may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
- The following conditions may cause an intermittent malfunction to occur:
- An internal intermittent open in the BCM.
- An intermittent open in the connection of the BCM to the center console fuse block.
DTC B1349
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Body Control System Connector End Views , or Electrical Center Identification Views |
|||
| 1 | Did you perform the Door Systems Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Door Systems |
| 2 | Inspect for poor connections between the body control module (BCM) C3 harness connector and the center console fuse block. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 4 | Go to Step 3 |
| 3 |
|
Go to Step 4 | - |
| 4 |
|
Go to Step 2 | System OK |