ITM–PRE-ARM TIMEOUT FAILURE (EXPORT ONLY)
For a complete wiring diagram Refer to Section 8W
- When Monitored:
During the VTSS pre-arm process.
- Set Condition:
If the Intrusion Transceiver Module (ITM) fails to receive the arm message from the Body Control Module (BCM) after sixty seconds.
| Possible Causes |
| BUS COMMUNICATION FAILURE |
| INTRUSION TRANSCEIVER MODULE (ITM) |
Diagnostic Test
1.VERIFY THAT THE BCM IS ACTIVE ON THE BUSIs the BCM active on the bus?
Yes
- Go To 2
No
- Refer to (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for no response related diagnostic procedures.
2.VERIFY THAT THE DTC IS ACTIVE
Did this DTC reset?
Yes
- Replace the ITM 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 caused this symptom is currently not present. Inspect the related wiring harness for a possible intermittent condition. Look for any chafed, pierced or partially broken wires.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).