Jeep Grand Cherokee 2015 — technical service bulletin
Bulletin 18-036-15 REV. A · NHTSA communication 10217420 · issued Oct 20, 2015
Technical service bulletin
communication type
Exterior Lighting
component
2015
model years
1
vehicle entries
Official 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 Syst
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.