This bulletin applies to 2012 Jeep Wrangler vehicles equipped with a 3.6L engine. The MIL may be on, with DTC P0108 (manifold absolute pressure sensor circuit high) set active or stored.

Updating the software with release 13.01 or higher will resolve the issue.

Be sure to install a battery charger to prevent battery voltage dropping below 13.2 volts or rising above 13.5 volts during the reprogramming process. Clear all DTCs following the re-flash.

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