B1A3F Jeep OBD Code
ITM ARMING SEQUENCE PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
During the VTSS pre-arm process.
- Set Condition:ITM arming process did not complete in a predetermined amount time.
| Possible Causes |
| INTERMITTENT CAN INTERIOR BUS COMMUNICATION |
| SOFTWARE UPDATE FOR ITM OR TIPM |
Diagnostic Test
1. DETERMINING IF DTC IS CURRENT
NOTE:
Diagnose any related Communication DTC(s) before continuing.
- With a scan tool, read and record DTC(s).
- With the scan tool, clear DTC(s).
- Turn the ignition off and remove the key from the ignition.
- Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
- Disarm the VTSS.
- Using the scan tool, read ITM DTC(s).
Does the DTC reset?
Yes
- Check for and correct any CAN INTERIOR Bus DTC’s set in the ITM or the TIPM. Also check for related software updates for the ITM and/or TIPM.
- Perform BODY VERIFICATION TEST ?VER 1(Refer to 8 – ELECTRICAL/ELECTRONIC CONTROL MODULES – STANDARD PROCEDURE)
No
- DTC is not active at this time. Test complete.
- Perform BODY VERIFICATION TEST ?VER 1(Refer to 8 – ELECTRICAL/ELECTRONIC CONTROL MODULES – STANDARD PROCEDURE)