# Service bulletin 18\-036\-14

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.

- Type: Service bulletin
- NHTSA id: 10141215
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: 18\-036\-14
- Manufacturer's date: 2014\-07\-04
- NHTSA component: ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Difficult to Start Engine In Cold Ambient Temps When Using the Block Heater. Also Includes Powertrain System Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience the following condition: Engine is difficult to start in extreme cold ambient temps when using the block heater. This release improves the spark and fueling strategy used under these conditions.The following system improvements have also been included in this software release: Improved Electronic Voltage Regulator control to more precisely maintain system voltage.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141215-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141215-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine

## Vehicles listed

- 2012 to 2013 DODGE DURANGO
- 2012 to 2013 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [19V813000](/recalls/nhtsa/19V813000.md), 2019-11-14: ELECTRICAL SYSTEM
- [2017341](/recalls/tc/2017341.md), 2017-07-10: Electrical
- [17V435000](/recalls/nhtsa/17V435000.md), 2017-07-10: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
- [15V879000](/recalls/nhtsa/15V879000.md), 2015-12-28: INTERIOR LIGHTING; ELECTRICAL SYSTEM:WIRING
- [2015615](/recalls/tc/2015615.md), 2015-12-22: Electrical
- [15V115000](/recalls/nhtsa/15V115000.md), 2015-02-27: ELECTRICAL SYSTEM
- [2014446](/recalls/tc/2014446.md), 2014-10-09: Electrical
- [14V634000](/recalls/nhtsa/14V634000.md), 2014-10-08: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
- [2014275](/recalls/tc/2014275.md), 2014-07-03: Electrical
- [14V391000](/recalls/nhtsa/14V391000.md), 2014-07-02: ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [S1623000028 REV.I](/bulletins/11033308.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [112191](/bulletins/11032984.md), 2026-05-28, Service bulletin: ENGINE. COOLER \- ENGINE OIL
- [112192](/bulletins/11032983.md), 2026-05-28, Service bulletin: ENGINE. COOLER \- ENGINE OIL
- [110603](/bulletins/11030026.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE
- [110604](/bulletins/11030025.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE
- [9100279](/bulletins/10248850.md), 2024-01-16, Service bulletin: ENGINE AND ENGINE COOLING. COOLER Engine Oil Please be aware that the oil cooler seal is serviceable as a standalone part and should be considered for replacement as a remedy for fluid leak.
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [9003357A](/bulletins/10247906.md), 2024-01-02, Service bulletin: ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter \(Pentastar V6\) For all 2014MY replace the Oil Filter Adapter \(OFA\). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1\) Remove OFA 2\) Replace only the oil inlet O\-ring and gaskets \(seals kit in SOL above\). 3\) Re\-install the OFA. For 2023MY and beyond use black O\-ring. For 2022MY and prior use red O\-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
- [9100226](/bulletins/10244348.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [0700723](/bulletins/10239957.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant

JSON: [/v1/bulletins/10141215](/v1/bulletins/10141215)

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