October 20, 2015 Service bulletin

Flash: 6.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the...

Jeep technical service bulletin 18-036-15 REV-A for 2015 Jeep Grand Cherokee.

Bulletin number: 18-036-15 REV-A
Component: Engine
Summary: Flash: 6.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P0300 - Multiple Cylinder Misfire ? P2096 - Downstream Fuel Trim System 1 Lean ? P2097 - Downstream Fuel Trim System 1 Rich ? P2098 - Downstream Fuel Trim System 2 Lean ? P2099 - Downstream Fuel Trim System 2 Rich ? P0513 - Invalid Skim Key - May set when pressing the remote start button on the Frequency Operated Button/Integrated Key (FOBIK) and Keyless Ignition Node (KIN) at the same time. In addition to the DTCs listed above, customers may also experience one or more of the following conditions: ? Unable to obtain top vehicle speed during aggressive Wide Open Throttle (WOT) operation due to false spark knock/detonation detection. ? Less then desired engine performance on cold start.

Owners of these vehicles have filed 221 complaints in the engine category.

Vehicles covered

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.