Flash: Power Control Module Software Enhancements
Jeep technical service bulletin 18-044-15 for 2014 Jeep Grand Cherokee.
- Bulletin number
- 18-044-15
- Component
- Electrical system
- Summary
- Flash: Power Control Module Software Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The customers may experience one or all of the following: - Customer may experience a "detonation" type of noise while accelerating or at idle. - Customers may experience Cruise Control lock out (inoperative) after several ?+? cruise button inputs attempting to increase Cruise Set Speed. Turning the ignition off and back on will clear the condition. - MIL light illuminates and DTC P2463-00 ?Diesel Particulate Filter- Soot Accumulation? set in the PCM. The software is also being released to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw.
Owners of these vehicles have filed 486 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2014 2014
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