# Service bulletin 18\-014\-16 REV. A 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: 10138955 - Published by NHTSA: 2018\-06\-04 - Manufacturer's number: 18\-014\-16 REV. A - Manufacturer's date: 2016\-03\-31 - NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT; ENGINE ## NHTSA's summary Flash: 2.4L 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): · P0101 \- Mass Air Flow Sensor "A" Circuit Performance. · P0335 \- Crankshaft Position Sensor Circuit. · P0133 \- O2 Sensor 1/1 Slow Response. · P1607 \- PCM Internal Shutdown Timer Rationality. · P2610 \- PCM Internal Engine Off Timer Performance. · B104D \- Blend Door Control Circuit Low. · U0402 \- Implausible Data Received From TCM. · U1424 \- Implausible Engine Torque Signal Received. In addition, some customers may experience the following: · A Transmission Tip\-In Bump \(when accelerating out of 4th gear\). ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10138955-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10138955-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system, Engine, Equipment and accessories, Transmission and driveline ## Trouble codes named B104D, P0101, P0133, P0335, P1607, P2610, U0402, U1424 ## Vehicles listed - 2016 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 - [2023254](/recalls/tc/2023254.md), 2023-04-27: Powertrain - [23V302000](/recalls/nhtsa/23V302000.md), 2023-04-27: POWER TRAIN:AUTOMATIC TRANSMISSION - [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 - [2017663](/recalls/tc/2017663.md), 2017-12-22: Accessories - [17V824000](/recalls/nhtsa/17V824000.md), 2017-12-21: EQUIPMENT - [2016220](/recalls/tc/2016220.md), 2016-05-12: Powertrain ## Other bulletins for the same vehicles and component - [08\-292\-26](/bulletins/11035316.md), 2026-07-29, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Unable To Clear C1494\-07 And C14A9\-00 After 45A Recall Technicians may experience the following: SYMPTOM: ● wiTECH displays a mismatch error after performing recall 45A. - [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 JSON: [/v1/bulletins/10138955](/v1/bulletins/10138955) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018-014-16%20REV.%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10138955&vehicle=Service%20bulletin%2018-014-16%20REV.%20A)