This bulletin applies to a number of 2010 Chrysler vehicles, including Nitro, Town & Country, Journey, Jeep Wrangler, Liberty and Cherokee. The vehicle theft alarm may intermittently sound for no apparent reason. Multiple attempts are required to start the engine.
1. Using a scan tool (wiTECH) with the appropriate diagnostic procedures available in TechCONNECT, verify that no DTCs are set. If DTCs are present, record and address as needed before proceeding.
2. In the System Test tab of wiTECH, record the “Last VTA Trigger” cause.
3. Was the last VTA Trigger equal to 1 (right rear door)?
a. If Yes….perform the repair procedure.
b. If No…proceed to Step 4.
4. Are DTCs U0010 and U0001 present in the TIPM?
a. If Yes, perform the repair procedure.
b. If No, this bulletin does not apply. Further diagnosis is required.
Install a battery charger to ensure that battery voltage does not drop below 13.2 volts or rise above 13.5 volts during the flash process.
1. Flash reprogram the TIPM. Help using the wiTECH diagnostic application for flashing the TIPM is available through the wiTECH diagnostic application. For help, select the “HELP” tab on the upper portion of the wiTECH window, then “Help Contents.”
2. Clear any DTCs that may have been set in other modules as a result of the reprogramming.