Service bulletin 08-172-21 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 | 10204390 |
| Published by NHTSA | 2021-12-13 |
| Manufacturer's number | 08-172-21 REV. A |
| Manufacturer's date | 2021-11-13 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated from S21.8 or S21B.5 to S21C.6. Customers may experience one or more of the following:Valet mode inoperable(DT TRX only). Right and left trailer camera view is inoperable, soft buttons do not work, and "More Cams" button down does not show on Trailer 360 mode. Unable to program Trailer Tire Pressure Monitor (TTPM) warning. In addition the following enhancement are included:CarPlay® enhancements.
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
| RAM 1500 | 2022 |
|---|---|
| RAM 2500 | 2022 |
| RAM 3500 | 2022 |
| RAM 4500 | 2022 |
| RAM 5500 | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V298000 | 2025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING |
|---|---|
| 2023026 | 2023-02-09. Electrical |
| 23V060000 | 2023-02-09. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS |
| 2021629 | 2021-10-14. Electrical |
| 21V798000 | 2021-10-14. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 9100901 | 2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. |
|---|---|
| 114072 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| 114073 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| 113744 | 2026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED |
| 113742 | 2026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED |
| 08-291-26 | 2026-07-29. Service bulletin. R1H UBQ/UEQ Intermittent HVAC Page Lockup Customers may experience one or more of the following: SYMPTOM: ● Intermittently the HVAC page on the Display Screen Module will change temperature and blower speed and then freeze. ● When on the HVAC page, the Display Screen Module may not respond to touch. All other pages operate as intended. |
| 08-288-26 | 2026-07-29. Service bulletin. Radio Does Not Display Selected Drive Mode Customers may experience the following: SYMPTOM: ● Drive Mode setting reverts back to "Auto" on Display Screen Module while the Instrument Panel Cluster (IPC) shows the Drive Mode that has been requested. |
| S2608000033 | 2026-07-23. Service bulletin. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park |
| 08-270-26 | 2026-07-18. Service bulletin. Uconnect® Screen Image Changes Size, Customers may experience the following: SYMPTOM: ● The Uconnect® screen image changes size, moves or is out of place unprompted. |
| 113069 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |