BATTERY IOD DISCONNECT AT BCM

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Continuously.
Set Condition:
The BCM detects a no or low voltage condition on the IOD circuit.

Possible Causes

OPEN FUSES

JUNCTION BLOCK

BODY CONTROL MODULE

1.CHECK FOR AN ACTIVE DTC

Did this DTC reset?

Yes

The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.

2.CHECK FUSES

Are any fuses open?

Yes

Replace Fuse(s) as necessary. Use the wiring diagrams to help isolate a possible short circuit condition.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

3.CHECK THE (A908) FUSED B+ CIRCUIT FOR AN OPEN

Is the test light illuminated?

Yes

Replace the Body Control Module in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

Repair the (A908) Fused B+ circuit for an open. If ok, replace the Junction Block in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).