Service bulletin 0802924

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)
Type	Service bulletin
NHTSA id	10251876
Published by NHTSA	2024-03-18
Manufacturer's number	0802924
Manufacturer's date	2024-01-30
NHTSA component	ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Radio Over The Air Update from LR34.51 to LR35.41 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 LR34.51 to LR35.41. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.

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, Software

Vehicles listed
RAM 1500	2020, 2021
RAM 2500	2020, 2021
RAM 3500	2020, 2021
RAM 4500	2021
RAM 5500	2021

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

Recalls for the same vehicles and component
20V511000	2020-08-27. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; ELECTRICAL SYSTEM:SOFTWARE

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
0802824	2024-03-18. Service bulletin. Radio Over The Air Update from QR39.82F to QR40.12 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 QR39.82F to QR40.12. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
0802624	2024-03-18. Service bulletin. Radio Over The Air Update from QR39.5 to QR40.11 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 QR39.5 to QR40.11. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
0802524	2024-03-18. Service bulletin. Radio Over The Air Updating to QR40.12 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 QR39.2 to QR40.11. NOTE: National launch for this FOTA update is expected to begin February 19, 2023.
ReferenceY40	2024-03-18. Service bulletin. Customer Satisfaction Notification Y40 Control Module Software Updates
0825223	2024-01-16. Service bulletin. Radio Over The Air Update to LR34.31 to LR35.41 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 LR34.31 to LR35.41. NOTE: The National launch for this FOTA update campaign is expected to begin December 04, 2023.
0824523	2024-01-16. Service bulletin. Radio Over The Air Update to Q339.3 to QR39.62 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 Q339.3 to QR39.62. NOTE: The National launch for this FOTA update campaign is expected to begin December 04, 2023.
0818123	2023-09-25. Service bulletin. Radio Over The Air Updating to QR40.12 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "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 QR39.62 and QR39.57 to QR40.12. NOTE: National launch for this FOTA update is expected to begin August 16, 2023
BulletinA	2023-07-31. Service bulletin. Customer Satisfaction Notification ZD7 - Radio Software Update
1806823	2023-07-31. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P1404 - EGR Position Sensor Rationality Closed. ? P2457 - Exhaust Gas Recirculation Cooling System Performance. NOTE: P1404 - EGR Position Sensor Rationality Closed DTC can be erroneously set when P2457 -Exhaust Gas Recirculation Cooling System Performance DTC is set. In addition, the customer may notice one or more of the following conditions: ? Power Take Off (PTO) disable to high engine oil temperature (DD DP with DF3 Only). ? In PTO mode, transmission gear engagement is abrupt and idle speed is high when transitioning From Park To Drive/Reverse Gear. This bulletin involves reprogramming the PCM with the latest available software.
0812923	2023-07-31. Service bulletin. Radio Over The Air Updating from PR39.92 to PR40.12 Software Version ? Radio Wi-Fi Hotspot connection not working. 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 PR39.92 to PR40.12. NOTE: National launch for this FOTA update is expected to begin June 23, 2023.