# Service bulletin 18\-018\-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: 10137006
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 18\-018\-14
- Manufacturer's date: 2014\-03\-18
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL

## 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. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code\(s\) may have been set: ? P0073 \- AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH ? P0088 \- FUEL RAIL PRESSURE TOO HIGH ? P016F \- CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT \- PRESSURE TOO LOW ? P0420 \- CATALYST EFFICIENCY \(BANK 1\) ? P0426 \- CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE \(BANK 1 SENSOR 1\) ? P05F8 \- REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B \- INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B \- INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P200A \- INTAKE MANIFOLD RUNNER PERFORMANCE \- BANK 1 ? P200B \- INTAKE MANIFOLD RUNNER PERFORMANCE \- BANK 2 ? P20BA \- REDUCTANT HEATER 1 CONTROL CIRCUIT PERFORMANCE ? P20EE \- SCR NOX CATALYST EFFICIENCY BELOW THRESHOLD BANK 1 ? P203E \- REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P2080 \- EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084 \- EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE \- BANK 1 SENSOR 2 ? P242B \- EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE \- BANK1 SENSOR 3 ? P2463 \- DIESEL PARTICULATE FILTER \- SOOT ACCUMULATION ? P24C2 \- EXHAUST GAS TEMPERATURE MEASUREMENT SYSTEM \- MULTIPLE SENSOR CORRELATION BANK 1 ? P24F2 \- EGR TEMPERATURE/CHARGE AIR COOLER TEMPERATURE CORRELATION ? U12A3 \- LOST COMMUNICATION WITH PM SENSOR

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10137006-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10137006-0001.pdf)

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

## Components

Electrical system, Engine, Fuel system

## Trouble codes named

P0073, P0088, P016F, P0420, P0426, P05F8, P061B, P062B, P200A, P200B, P203E, P2080, P2084, P20BA, P20EE, P242B, P2463, P24C2, P24F2, U12A3

## 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
- [2022303](/recalls/tc/2022303.md), 2022-06-09: Fuel System
- [22V406000](/recalls/nhtsa/22V406000.md), 2022-06-09: FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
- [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

## 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
- [105038](/bulletins/11018500.md), 2025-05-20, Service bulletin: FUEL/PROPULSION SYSTEM. TUBE \- FUEL INJECTOR SUPPLY \& GASKET \- NONE
- [105039](/bulletins/11018408.md), 2025-05-16, Service bulletin: FUEL/PROPULSION SYSTEM. TUBE \- FUEL INJECTOR SUPPLY \& GASKET \- NONE
- [102812](/bulletins/11015125.md), 2025-03-05, Service bulletin: FUEL/PROPULSION SYSTEM. RAIL \- FUEL

JSON: [/v1/bulletins/10137006](/v1/bulletins/10137006)

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