This bulletin applies to 2014 Ram ProMaster 1500 vehicles equipped with a 3.6L engine and built on or before Sept. 12, 2013. A MIL may be on, with DTC P0606 (internal control processor) stored in the PCM.

Using a scan tool (wiTECH), verify that all engine systems are functioning as designed. If DTCs other than P0606 are found, record and address before continuing.

1. Install a battery charger to prevent battery voltage dropping below 13.2 volts or rising above 13.5 volts during the flash process. Reprogram the PCM with the latest software.

2. After programming, clear any DTCs that may have set during the flash.

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