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Service bulletin 110939

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 id11030260
Published by NHTSA2026-03-25
Manufacturer's number110939
Manufacturer's date2026-03-19
NHTSA componentPOWER TRAIN

NHTSA's summary

TRANSMISSION - WITH TORQUE CONVERTER

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

Transmission and driveline

Vehicles listed
JEEP COMPASS2024, 2025, 2026

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

Other bulletins for the same vehicles and component
21-063-262026-09-30. Service bulletin. Not applicable to vehicles built for US market. Fault Code P120F-00 Present In Hybrid The vehicle may illuminate the Malfunction Indicator Lamp (MIL) and the vehicle may exhibit/set the SYMPTOM: following Diagnostic Trouble Code (DTC): ● P120F-00 - Supplier Fault Code (Hybrid Dual Clutch Transmission Module).
21-061-262026-09-30. Service bulletin. Not applicable to vehicles built for US market. Park Lock Piston Leaking Customers may comment on the following: SYMPTOM: ● Power loss - jerking while driving that may result in the engine being unable to restart after a stop if fault code P0B0C 7A is present.
21-042-26 REV. B2026-09-23. Service bulletin. Not applicable to vehicles built for US market. 1.5L Transmission Diagnosis Service Solution Customers may experience one or more of the following: SYMPTOM: ● Transmission warning light on and/or vehicle jerking. ● Vehicle is not shifting correctly or has no traction. This service bulletin is to provide a diagnostic guide for a transmission warning light on, vehicle jerking, not shifting correctly or no traction symptoms
21-059-262026-08-13. Service bulletin. Not applicable to vehicles built for US market. Gear Changing Issue The customer must describe the following: SYMPTOM: ● Poor driveability/shifting when changing from sixth to seventh gear.
21-058-262026-07-29. Service bulletin. Transmission Oil Pump - Service Transmission Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination, and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U0287-00 - Lost Communication With Transmission Fluid Pump Module 1. Customers must also comment on one or more of the following: ● The Engine Stop/Start (ESS) is disabled. ● “Service Transmission” message is displayed on the Instrument Panel Cluster (IPC). This bulletin involves replacement of the Transmission Electric Oil Pump and reprogramming the TCM with the latest available software
21-042-26 REV. A2026-07-08. Service bulletin. Not applicable to vehicles built for US market. 1.5L Transmission Diagnosis Service Solution Customers may experience one or more of the following: SYMPTOM: ● Transmission warning light on and/or vehicle jerking. ● Vehicle is not shifting correctly or has no traction. This service bulletin is to provide a diagnostic guide for a transmission warning light on, vehicle jerking, not shifting correctly or no traction symptoms.
18-056-262026-06-16. Service bulletin. Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0176 - Falha na calibração do sensor de etanol. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
21-050-262026-06-16. Service bulletin. Not applicable to vehicles built for US market. Vehicle Will Not Start With Display Of The Message "Electric Traction System Fault" Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0BD8-11 - Drive Motor Inverter Temperature Sensor "D" Circuit Low. ● P0A78-01 - Drive Motor "A" Inverter Performance. ● P0AEF-11 - Drive Motor Inverter Temperature Sensor "A" Circuit Low. ● P10D3-41 - High Level Driving Power Transistor Of The Inverter Of The Electric Traction Machine - General Checksum Failure (Electric Machine Management ECU). Customers may also comment on one or more of the following: ● Vehicle does not start. ● "Electric Traction System Fault" message displayed in the Instrument Panel Cluster (IPC) This bulletin involves checking for DTCs and possibly replacing the traction electric machine inverter on the hybrid dual‑clutch automated manual transmission.
21-048-262026-06-16. Service bulletin. Not applicable to vehicles built for US market. No Switching To Electric Mode The customer must describe the following: ● Vehicle not switching to electric mode.
21-046-262026-06-16. Service bulletin. Not applicable to vehicles built for US market. Time To Change From Reverse Gear To Drive Gear Excessive Customers may experience the following: ● Perceived shift delay between Reverse and Drive This bulletin provides information regarding perceived excessive time to shift between different driving gears.