# Service bulletin 18\-018\-14 REV. D

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: 10139789
- Published by NHTSA: 2018\-06\-11
- Manufacturer's number: 18\-018\-14 REV. D
- Manufacturer's date: 2014\-10\-17
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: MIL Illumination 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 one or more of the following Diagnostic Trouble Code\(s\) may have been set erroneously: ? P0087\-00 \- Fuel Rail Pressure Too Low. ? P20EE\-00 \- SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P0171\-00 \- System Too Lean \(Bank 1\). ? P0172\-00 \- System Too Rich \(Bank 1\). ? P225C\-00 \- NOX Sensor Performance \- Signal Stuck High Bank 1 Sensor 1. ? P225D\-00 \- NOX Sensor 1/1 Performance \- Signal Stuck Low. ? P1288\-00 \- NOX Sensor 1/2 Zero Offset Too High. ? P1289\-00 \- NOX Sensor 1/2 Zero Offset Too High. ? P1296\-00 \- EGR Slow Response \- Increasing Flow. ? P1297\-00 \- EGR Slow Response \- Decreasing Flow. ? P2BA9\-00 \- NOX Exceedence \- Insufficient Reagent Quality. ? P2080\-00 \- Exhaust Gas Temperature Sensor Circuit Performance. ? P2084\-00 \- Exhaust Gas Temperature Sensor Circuit Performance\-Bank 1 Sensor 2. ? P0426\-00 \- Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B\-00 \- Exhaust Gas Temperature Sensor Circuit Performance\-Bank 1 Sensor 3. ? P062B\-00 \- Internal Control Module Fuel Injector Control Circuit Performance. ? P0088\-00 \- Fuel Rail Pressure Too High. ? P016F\-00 \- Closed Loop fuel Pressure Control At Limit \- Pressure Too Low. ? P009A\-00 \- Intake Air Temperature / Ambient Air Temperature Correlation. ? P0234\-00 \- Turbocharger Overboost Condition. ? P0420\-00 \- Catalyst Efficiency \(Bank 1\). ? P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. ? P05F8\-00 \- Reductant Heater Control Module Performance. ? P061B\-00 \- Internal Control Module Torque Calculation Performance. ? P0128\-00 \- Thermostat Rationality. ? P1D30\-00 \- Oil Viscosity Too Low. ? P200A\-00 \- Intake Manifold Runne

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10139789-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10139789-0001.pdf)

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

## Components

Electrical system, Engine

## Trouble codes named

P0087, P0088, P009A, P0128, P016F, P0171, P0172, P0234, P0420, P0426, P050E, P05F8, P061B, P062B, P1288, P1289, P1296, P1297, P1D30, P200A, P2080, P2084, P20EE, P225C, P225D, P242B, P2BA9

## Vehicles listed

- 2014 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [2023338](/recalls/tc/2023338.md), 2023-06-08: Engine
- [23V411000](/recalls/nhtsa/23V411000.md), 2023-06-08: ENGINE AND ENGINE COOLING
- [2020544](/recalls/tc/2020544.md), 2020-11-12: Engine
- [20V699000](/recalls/nhtsa/20V699000.md), 2020-11-12: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)
- [2020371](/recalls/tc/2020371.md), 2020-08-13: Engine
- [20V475000](/recalls/nhtsa/20V475000.md), 2020-08-13: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2018269](/recalls/tc/2018269.md), 2018-05-17: Engine
- [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
- [2017574](/recalls/tc/2017574.md), 2017-11-22: Electrical
- [17V741000](/recalls/nhtsa/17V741000.md), 2017-11-21: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

## Other bulletins for the same vehicles and component

- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, 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.
- [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.
- [S2623000023](/bulletins/11031337.md), 2026-04-15, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Power Liftgate Inoperative.
- [S2608000010](/bulletins/11030042.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Active Diagnostic Trouble Code \(DTC\) B1A10\-00, B1A11\-00, B1A12\- 00, B1A13\-00\-, B1A14\-00, B1A15\-00, B1A16\-00, and B1A17\-00 in The Radio Frequency Hub \(RFH\)
- [9100671](/bulletins/11023329.md), 2025-09-24, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order "68" part number for New unsold units only.
- [9100639](/bulletins/11021845.md), 2025-08-13, Service bulletin: ENGINE. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only.
- [S2208000138 REV.B](/bulletins/11020600.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
- [S1408000384 REV.H](/bulletins/11013171.md), 2025-01-28, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [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.

JSON: [/v1/bulletins/10139789](/v1/bulletins/10139789)

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