Service bulletin 21-018-22
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 | 10214643 |
| Published by NHTSA | 2022-06-27 |
| Manufacturer's number | 21-018-22 |
| Manufacturer's date | 2022-05-28 |
| NHTSA component | POWER TRAIN; ELECTRICAL SYSTEM |
NHTSA's summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following:Harsh downshifts (3-2 or 2-1) when stopping.
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
| DODGE DURANGO | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| S2621000004 | 2026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only) |
|---|---|
| 114738 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 114737 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 9100900 | 2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. |
| 113803 | 2026-08-13. Service bulletin. HOSE AND TUBE - HEATER SUPPLY AND RETURN |
| 08-294-26 | 2026-07-29. Service bulletin. Telematics Box Module (TBM) Firmware Over The Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Codes (DTCs): ● B22A9-00 - ECU Internal Performance. ● B1560-13 - Cellular Antenna 1-Circuit Open. ● B1561-13 - Cellular Antenna 2-Circuit Open. ● B1562-12 - GPS Antenna-Circuit Short To Battery. Customers may also comment on the following: ● "Uconnect Box Requires Service" message in the display screen module. |
| 08-256-26 | 2026-07-08. Service bulletin. Uconnect® Screen Turns Blank Or Black Customers may experience the following: SYMPTOM: ● The Uconnect® screen display goes blank/black at times. |
| S2623000041 REV.A | 2026-07-02. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A |
| S268A000014 | 2026-07-02. Service bulletin. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode |
| S1623000028 Rev. K | 2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position. |