Jeep Grand Cherokee 2014 — technical service bulletin
Bulletin 18-012-16 · NHTSA communication 10118801 · issued Feb 11, 2016
Technical service bulletin
communication type
Exterior Lighting
component
2014
model years
1
vehicle entries
Official summary
Flash: 3.0L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set.SYMPTOM/CONDITION: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 may have been
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.