Jeep Wrangler 2015 — technical service bulletin
Bulletin 18-041-16 REV. A · NHTSA communication 10121652 · issued Jul 9, 2016
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes (DTCs) have been set: · **P0300 - Multiple Cylinder Misfire (3.6L Engine Sales Code ERB only). · P0306 - Cylinder 6 Misfire (Automatic Transmissions only).** · P0335 - Crankshaft Position Sensor Circuit. · P0456 - EVAP System Small Leak (3.6L Engine Sales Code E
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.