Flash: 5.7L Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and...
Jeep technical service bulletin 18-063-14 for 2015 Jeep Grand Cherokee and 2014 Dodge Durango.
- Bulletin number
- 18-063-14
- Component
- Electrical system: software
- Summary
- Flash: 5.7L Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle. 2015 WK Enhancements to improve a slight lag or hesitation during Multi Displacement System (MDS) mode transitions. Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. Malfunction Indicator Lamp (MIL) illuminated with Diagnostic Trouble Code (DTC) U0140-00 - Lost Communication with Body Control Module (BCM). 2014 WD Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start.
Owners of these vehicles have filed 289 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2015 2015
- Dodge Durango 2014 2014
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