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Service bulletin 2104617

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 id10224955
Published by NHTSA2022-10-31
Manufacturer's number2104617
Manufacturer's date2017-10-28
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) withthe latest available software. Customers may experience the following:Longer than usual shift times when performing garage shifts (P to R and Rto D). Poor shift quality or ?bump? experienced during foot on throttle2-1 downshift.

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

Electrical system, Transmission and driveline

Vehicles listed
JEEP CHEROKEE2018

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

Recalls for the same vehicles and component
20250122025-01-16. Powertrain
25V0110002025-01-16. POWER TRAIN
20184222018-08-09. Powertrain
18V5240002018-08-09. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
20183922018-07-27. Powertrain
18V4940002018-07-26. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING

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
03-002-262026-07-18. Service bulletin. Stop/Start Illuminated, 0x22 During Fork Wear Routine Technicians may experience the following: SYMPTOM: ● Negative response 0X22 after Recall 01C flash triggers one or more communication codes with controllers.
03-001-262026-07-18. Service bulletin. Unable to Complete 01C Recall Drive Cycle C14A7-97 Active Technicians may experience the following: SYMPTOM: ● After performing Recall 01C, the vehicle may get a 'Service AWD' message on the EVIC.
S2523000003 REV.A2026-04-29. Service bulletin. Door Latch, Handle And Ajar Additional Service Information.
140822026-04-15. Warranty extension. (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
140812026-04-15. Warranty extension. (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
140792026-04-15. Warranty extension. (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
140782026-04-15. Warranty extension. (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
1114472026-04-15. Warranty extension. ID-26-19 (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
1114322026-04-15. Warranty extension. D-26-10 (XX1) Two Speed Power Transfer Unit (PTU) - Select 2017 - 2019 Jeep Cherokee (KL)
21-027-26 REV. A2026-04-15. Service bulletin. Two Speed Power Transfer Unit Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ? C1494-07 - PTU Fork Position-Mechanincal Failures. Customers m