Service bulletin 21-042-26 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 | 11034905 |
| Published by NHTSA | 2026-07-08 |
| Manufacturer's number | 21-042-26 REV. A |
| Manufacturer's date | 2026-06-30 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
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.
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
| JEEP COMPASS | 2021, 2022, 2023, 2024, 2025 |
|---|---|
| JEEP RENEGADE | 2021, 2022, 2023 |
| JEEP RENEGADE | 2024 to 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 | 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 |
| 9100776 | 2026-03-13. Service bulletin. Before replacing the RDM, please be aware that NVH from differential gears is typical and within the acceptable limits. Do not replace RDM for NVH issue. |