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Service bulletin 18-044-15

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10148922
Published by NHTSA2018-11-26
Manufacturer's number18-044-15
Manufacturer's date2015-05-21
NHTSA componentELECTRICAL SYSTEM

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P2463

Vehicles listed
JEEP GRAND CHEROKEE2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
20175742017-11-22. Electrical
17V7410002017-11-21. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20173412017-07-10. Electrical
17V4350002017-07-10. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20144482014-10-09. Electrical
20144462014-10-09. Electrical
14V6340002014-10-08. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20142752014-07-03. Electrical
14V3910002014-07-02. ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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