# Service bulletin 18\-085\-17

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: 10121801
- Published by NHTSA: 2017\-11\-03
- Manufacturer's number: 18\-085\-17
- Manufacturer's date: 2017\-09\-19
- NHTSA component: POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, the technician may find the following DTCs set in the PCM memory:P1D83 \- Implausible Engine Oil Temperature Signal Received \(Software has been updated to better address this DTC\). U1504 \- Implausible Message Data Length Received From Steering Angle Sensor. U1424 \- Implausible Engine Torque Signal Received. P0456 \- EVAP System Small Leak. P0335 \- Crankshaft Position Sensor Circuit. U0402 \- Implausible Data Received From TCM \- \(Transmission Control Module\). B10EA \- Blower Motor Control Circuit High. B10E9 \- Blower Motor Control Circuit Low. P0441 \- EVAP Purge System Performance. P0116 \- Engine Coolant Temperature Sensor Performance. P2067 \- Fuel Level Sensor 2 Circuit Low \(International Only\). In addition the customer may notice one of the following conditions:A push/bump feeling when the transmission is downshifting from eighth to seventh gear. Vehicle shudder at stop/start with A/C on. Software enhancement also includes:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10121801-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10121801-0001.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline

## Trouble codes named

B10E9, B10EA, P0116, P0335, P0441, P0456, P1D83, P2067, U0402, U1424, U1504

## Vehicles listed

- 2015 JEEP CHEROKEE

## Recalls for the same vehicles and component

- [23V338000](/recalls/nhtsa/23V338000.md), 2023-05-11: STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
- [2020261](/recalls/tc/2020261.md), 2020-06-12: Powertrain
- [20V343000](/recalls/nhtsa/20V343000.md), 2020-06-11: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
- [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
- [2016361](/recalls/tc/2016361.md), 2016-07-13: Powertrain
- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION
- [15V826000](/recalls/nhtsa/15V826000.md), 2015-12-09: STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
- [15V676000](/recalls/nhtsa/15V676000.md), 2015-10-19: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- [2015475](/recalls/tc/2015475.md), 2015-10-16: Engine

## Other bulletins for the same vehicles and component

- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, 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 REV.I](/bulletins/11028904.md), 2026-02-19, 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
- [S1721000016 REV.B](/bulletins/11026812.md), 2025-12-23, Service bulletin: POWER TRAIN. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code \(DTC\) C14A7\-97 PTU Motor Component Or System Operation Obstructed Or Blocked.
- [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 REV.G](/bulletins/11012777.md), 2025-01-09, 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
- [09\-018\-24](/bulletins/11006983.md), 2024-09-04, Service bulletin: ENGINE. "2.4L Excessive Oil Consumption XB1 Warranty Extension The customer may describe one or more of the following: ● Oil pressure low indicator lamp illumination between oil changes. ● Excessive oil consumption. This bulletin involves performing an oil consumption verification test and possibly replacing the long block."
- [S1408000384 REV.F](/bulletins/11002828.md), 2024-07-02, Service bulletin: ELECTRICAL SYSTEM; ENGINE. "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
- [S2325000007](/bulletins/10248564.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update.

JSON: [/v1/bulletins/10121801](/v1/bulletins/10121801)

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