July 21, 2016 Service bulletin

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the PCM with the...

Jeep technical service bulletin 18-055-16 REV. A for 2014 Jeep Grand Cherokee and 2014-2015 Dodge Durango.

Bulletin number: 18-055-16 REV. A
Component: Engine
Summary: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the PCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following DTCs set in the PCM memory: · P0335 - Crankshaft Position Sensor Circuit. · P0456 - Evaporative System Small Leak (applies to 2014 MY only). · P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible (applies to 2015 MY only). · P0456 - EVAP System Small Leak. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P0305 - Cylinder 5 Misfire. · P0306 - Cylinder 6 Misfire · P0300 - Multiple Cylinder Misfire. · P0513 - Invalid SKIM Key.

Owners of these vehicles have filed 564 complaints in the engine category.

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