Flash: Diagnostic and System Improvements
Jeep technical service bulletin 18-077-15 for 2014 Jeep Wrangler.
- Bulletin number
- 18-077-15
- Component
- Exterior lighting
- Summary
- Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory: ? U0140 - Lost Communication With Body Control Module. Customers may also describe one or more of the following conditions: ? Less than desired shift points during Wide Open Throttle (WOT) operation. ? Perceived misfire under normal acceleration. Software update is also available for customers with vehicles equipped with Manual Transmissions (DEH) to disable the starter protection feature for Rock Crawling.
Owners of these vehicles have filed 6 complaints in the lights category.
Vehicles covered
- Jeep Wrangler 2014 2014
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