# Service bulletin 08\-046\-21

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: 10190715
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: 08\-046\-21
- Manufacturer's date: 2021\-03\-23
- NHTSA component: ELECTRICAL SYSTEM; LANE DEPARTURE

## NHTSA's summary

UGQ Radio Enhancements This bulletin involves inspecting the software level to see if the radio needs one or two USB flash drive\(s\) to update the radio software level to 39.2. It is critical that every step of the bulletin is reviewed and performed properly. If any steps are missed, the radio can be damaged and may need to be replaced. Customers may experience one or more of the following:Radio screen turns black when the ignition is on. The radio resets. Audio sometimes inoperative for the entire ignition cycle. Language setting reverting from customer set language to Italian language. Message displayed "TomTom live services unavailable". Frequent pop\-ups during startup saying device not connected \- Uconnect LIVE. Loss of radio presets. Incorrect navigation address/location/directions. Navigation stuck on loading screen or not appearing at all. Issues regarding zoom/scrolling feature on map. Navigation settings not persisting. Intermittently, the radio screen will black out after key is turned on. Navigation screen freezes after a Voice Recognition \(VR\) command. Warning chime will not turn off. Radio display black, except application bar. Audio distortion heard during phone calls and CarPlay. Uconnect Live feature may not function properly. In addition, the following software enhancements are also available:Voice Recognition \(VR\) and Bluetooth improvements. Russian language enhancements.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190715-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190715-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Electrical system

## Vehicles listed

- 2019 JEEP WRANGLER

## Recalls for the same vehicles and component

- [24V676000](/recalls/nhtsa/24V676000.md), 2024-09-12: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; EXTERIOR LIGHTING:BRAKE LIGHTS
- [24V652000](/recalls/nhtsa/24V652000.md), 2024-09-05: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [20V191000](/recalls/nhtsa/20V191000.md), 2020-09-10: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [08\-364\-26](/bulletins/11038524.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. 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.
- [08\-364\-26](/bulletins/11038487.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. 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](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [16C Combo Rev3](/bulletins/11036183.md), 2026-08-13, Warranty extension: ELECTRICAL SYSTEM. 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.
- [08\-298\-26 REV. A](/bulletins/11036150.md), 2026-08-13, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● \*\*A blank electronic vehicle information center \(EVIC\) in the IPC. No information is displayed for the fuel level, temperature gauge, odometer, outside temperature, PRNDL and optional digital speedometer Fig. 1. IMPORTANT\! The analog speedometer and tachometer gauges continue to function normally Fig. 1\*\*. This bulletin involves replacing the IPC.
- [113809](/bulletins/11035998.md), 2026-08-06, Warranty extension: ELECTRICAL SYSTEM. ID\-26\-37 \(XZ1\) Instrument Panel Cluster \(IPC\) \- Select 2018 \- 2020 Jeep Wrangler \(JL\) and 2020 Jeep Gladiator \(JT\)
- [113813](/bulletins/11035997.md), 2026-08-06, Warranty extension: ELECTRICAL SYSTEM. D\-26\-17 \(XZ1\) Instrument Panel Cluster \(IPC\) \- Select 2018 \- 2020 Jeep Wrangler \(JL\) and 2020 Jeep Gladiator \(JT\)
- [08\-298\-26](/bulletins/11035973.md), 2026-08-06, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● A blank IPC display. No information is displayed for the speedometer, fuel level, temperature gauge, odometer, outside temperature and PRNDL. NOTE: The speedometer and tachometer continue to function normally. This bulletin involves replacing the IPC.
- [112862](/bulletins/11034372.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- BLOWER WITH WHEEL
- [112863](/bulletins/11034371.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- BLOWER WITH WHEEL

JSON: [/v1/bulletins/10190715](/v1/bulletins/10190715)

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