Service bulletin 0810021a
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 | 10230248 |
| Published by NHTSA | 2023-01-17 |
| Manufacturer's number | 0810021a |
| Manufacturer's date | 2021-07-02 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
UAQ UCQ UAV, UCX, UAX and UCV Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash 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. Once the FOTA has been completed the software level will be 39.6. The national launch for the FOTA will begin June 18, 2021.Review table below to determine when FOTA is due to release based on current radio software level. Customers may experience one or more of the following: Intermittently, when going into reverse, the rear view camera screen is blank. Intermittently, gridlines are not on the display screen when in reverse.
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
| JEEP GLADIATOR | 2021 |
|---|---|
| JEEP WRANGLER | 2021 |
| RAM 1500 | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V741000 | 2025-10-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
|---|---|
| 25V298000 | 2025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING |
| 24V720000 | 2024-09-27. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 24V652000 | 2024-09-05. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| 23V787000 | 2023-11-22. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 21V949000 | 2021-12-09. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2608000038 | 2026-10-16. Service bulletin. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle |
|---|---|
| 08-366-26 | 2026-10-16. Service bulletin. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software. |
| S2608000038 | 2026-10-16. Service bulletin. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle |
| 08-366-26 | 2026-10-16. Service bulletin. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software. |
| 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. |
| 114072 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| 114073 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| 16C Combo Rev3 | 2026-08-13. Warranty extension. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL and cargo lamp indicator function are swapped. (JL) vehicles: CEL/MIL will not turn on. The CEL/MIL in and of itself will not affect emissions. However, if there was an emission issue that would require illumination of the CEL/MIL, the customer would not be alerted. The vehicle would be non-compliant to the OBD II regulation. |
| S2608000033 | 2026-07-23. Service bulletin. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park |
| 113069 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |