1000-04 Body Control Module Internal Failure

1000-04 BODY CONTROL MODULE INTERNAL FAILURE

1000-04 Body Control Module Internal Failure:

WHEN MONITORED
Continuous.

SET CONDITION
If the Body Control Module (BCM) detects an internal malfunction, the DTC is set.

POSSIBLE CAUSES
- Open fused B(+) circuit
- Body control module

DIAGNOSTIC TEST

1. FUSED B(+) CIRCUIT





Turn the ignition off.
Disconnect the BCM C4 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the voltage of the Fused B(+) circuit at the BCM C4 harness connector.

Q: Is the voltage above 10.0 volts?

YES: Replace the Body Control Module.
Perform BCM VERIFICATION TEST. Body Verification Test
NO: Repair the Fused B(+) circuit for an open.
Perform BCM VERIFICATION TEST. Body Verification Test