Service bulletin 21-043-25
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 | 11024568 |
| Published by NHTSA | 2025-10-29 |
| Manufacturer's number | 21-043-25 |
| Manufacturer's date | 2025-10-25 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● U0415-00 - Invalid Data Received From Anti-lock Brake System (ABS) Control Module “A”. Customers may also experience the following: ● "Service Transmission" message is displayed on the Instrument Panel Cluster (IPC) This bulletin involves reprogramming the TCM with the latest available software.
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
Trouble codes named
U0415
| JEEP COMPASS | 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 21-042-26 REV. B | 2026-09-23. 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 |
|---|---|
| 21-042-26 REV. A | 2026-07-08. 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. |
| 21-042-26 | 2026-06-03. 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: ● 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. |
| 12D Combo REV2 | 2026-05-28. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification (Revison 2) |
| 08-204-26 | 2026-05-20. Service bulletin. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available. |
| 08-204-26 | 2026-05-13. Service bulletin. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available. |
| 12D COMBO Rev1 | 2026-04-10. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification (Revison 1) |
| 110939 | 2026-03-25. Service bulletin. TRANSMISSION - WITH TORQUE CONVERTER |
| 110940 | 2026-03-25. Service bulletin. TRANSMISSION - WITH TORQUE CONVERTER |
| 12D COMBO | 2026-03-13. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification |