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Service bulletin 21-035-22

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10229814
Published by NHTSA2023-01-17
Manufacturer's number21-035-22
Manufacturer's date2022-12-15
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION

NHTSA's summary

Flash: Transmission Control Module (TCM) Updates The customer may describe one or more of the following: ? **A clunk or loud popping noise from the transmission (underneath) when the vehicle is started/ remote start.** ? A loud whistle noise upon engine start up. ? Rough and/or erratic shifting between gears during normal drive cycles. 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

Driver assistance, Electrical system, Transmission and driveline, Backup camera

Vehicles listed
DODGE DURANGO2020

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

Recalls for the same vehicles and component
20V1910002020-09-10. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
1032892025-03-04. Service bulletin. CAMERA - REAR VIEW
S2208000045 REV.B2024-12-11. Service bulletin. Backup Camera Poor Image Quality Inspection
08045232024-01-02. Service bulletin. Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.
90033572024-01-02. Service bulletin. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
09019232023-12-18. Service bulletin. Cold Engine Ticking Noise From Exhaust Manifold Area The customer may describe an ticking noise from the exhaust manifold location(s) when cold. This bulletin involves replacing the exhaust manifolds.
S18080001522023-10-02. Service bulletin. CEL (Check Engine Lamp) Illuminated, P057B Brake Pedal Position Sensor Performance
08-038-232023-02-13. Service bulletin. Radio Over The Air JR34.3 Updating to JR34.32.Software Version Customers may experience one or more of the following: Not be able to use Mobile Wi-Fi upon start up. Hotspot gives a no Internet connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.3 to JR34.32. NOTE: National launch for this FOTA update is expected to begin February 20, 2023.
08-022-232023-02-13. Service bulletin. Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 39.5 to 40.12.
08-003-22 REV. A2023-01-17. Service bulletin. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? **Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** ? Intermittent, black radio display screen (Rear View Camera (RVC) not affected). ? Intermittent, radio freezes (RVC not affected). ? Wireless connectivity pairing and/or connection issues. ? Lost radio presets. ? Radio channels change by itself. ? SXMT icon inoperative. ? SXMT favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Backup camera has black display screen or only displays Check Entire Surroundings with black screen (occurs when vehicle is shifted immediately to reverse upon key-on before RVC signal is received, recoverable with key cycle) . ? High pitch chime noise. ? Contact list not loading. ? Device not supported message. ? Remote app inoperative. ? Travel-Link fuel price incorrect. ? Backup camera gridlines missing. ? Unable to adjust volume. In addition, the following enhancement are included in this update: ? Enables map updates. ? Heavy Duty (HD) Truck USB HUB improvements. ? HD Truck heated steering wheel improvements This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.
08007202023-01-09. Service bulletin. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: UAQ radios - 34.2. UCQ - 30.24. 2019 LA and WD with UAQ or UCQ radios and 2020 WD with UCQ radio has been removed from the service bulletin and are now covered under a safety recall. Please refer to published information in DealerCONNECT/Service Library for more details. Customers may experience one or more of the following:Speaker crackling noise on non amplified vehicles (UAQ Only). Active call not transferred to vehicle Bluetooth®(UAQ Only). Voice Recognition (VR) not understanding commands to switch sources (UAQ Only). Bluetooth phonebook not available (UAQ Only). "Setting" button removed after ignition cycle (UAQ Only). Coolant temperature value incorrect (UAQ Only). Blank display screen at start up.