Jeep TSB #18-070-14
2015 Jeep Patriot
Affected Component: EXTERIOR LIGHTING
- Summary
- Flash: MIL Illumination, P219A, P050B And Cold Start Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may see erroneous illuminated malfunction indicator lamps (MIL) and have a hard start cold condition. ? P219A Bank 1 Air Fuel Ratio Imbalance ? P050B Cold Start Ignition Timing Performance