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Service bulletin 21-059-15

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10159917
Published by NHTSA2019-05-20
Manufacturer's number21-059-15
Manufacturer's date2015-11-07
NHTSA componentENGINE; EQUIPMENT; POWER TRAIN

NHTSA's summary

Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. 2.4L Engine (Sales Code ED6) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Transmission is slow to upshift after releasing the accelerator pedal. 3.2L Engine (Sales Code EBH) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Less than optimal transmission shift timing, driving up and down hills. ? Less than desired Engine Stop/Start re-engagement or smoothness. ? Transmission is slow to upshift after releasing the accelerator pedal.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories, Transmission and driveline

Trouble codes named

P061B

Vehicles listed
JEEP CHEROKEE2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20232542023-04-27. Powertrain
23V3020002023-04-27. POWER TRAIN:AUTOMATIC TRANSMISSION
20202612020-06-12. Powertrain
20V3430002020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
20182692018-05-17. Engine
20176632017-12-22. Accessories
17V8240002017-12-21. EQUIPMENT
20162202016-05-12. Powertrain
20162192016-05-12. Powertrain
16V2870002016-05-11. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
08-292-262026-07-29. Service bulletin. 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.
S1721000016 REV.B2025-12-23. Service bulletin. 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.
09-018-242024-09-04. Service bulletin. "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.F2024-07-02. Service bulletin. "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 "
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
9003357A2024-01-02. Service bulletin. 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.
S17210000162023-12-18. Service bulletin. 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, Set.
S23250000072023-10-30. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
RecallU902023-10-02. Service bulletin. Emissions Recall U90 - Catalyst Efficiency
931202023-10-02. Service bulletin. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC