LOST COMMUNICATION WITH ITM, NO IFR RECEIVED
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
The BCM does not receive any messages from the Intrusion Transceiver Module (ITM) for at least 30 seconds.
| Possible Causes |
| (D25) PCI BUS CIRCUIT OPEN |
| INTRUSION TRANSCEIVER MODULE POWER AND GROUND |
| BODY CONTROL MODULE |
Diagnostic Test
1.ATTEMPT TO COMMUNICATE WITH THE INTRUSION TRANSCEIVER MODULE (ITM)Was the scan tool able to I/D or communicate with the ITM?
Yes
- Go To2
No
- Refer to the table of contents and perform the related symptom.
- Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
2.BODY CONTROL MODULE
Did this DTC reset?
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).
No
- 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.