# Service bulletin 08\-028\-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: 10190683
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: 08\-028\-21
- Manufacturer's date: 2021\-03\-02
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Body Control Module \(BCM\) Updates This bulletin involves reprogramming the BCM with the latest available software. Customers may notice after locking the car, two horn chirps are heard, under normal operation only one horn chirp is heard. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\):U1413\-09 \- UAM \(Ultrasonic and Anti\-tilt Module\) \- Component Failures.equipped with Premium Security Alarm \(LSC Sales Code only\). In addition, the customer may notice one or more of the following:Message on the cluster \- Headlamp \(low beam\) is out but the headlamps are all functioning properly.equipped with Bi\-Function LED Projector Headlamps \(LM6 Sales Code only\). Brake lights will intermittently remain on \(Only one side which clears and functions normally with a brake apply or ignition cycle\). Rear windows are inoperative and will not roll down. Intermittently, unable to turn on high beam headlights.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190683-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190683-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

U1413

## Vehicles listed

- 2019 JEEP RENEGADE

## Recalls for the same vehicles and component

- [19V287000](/recalls/nhtsa/19V287000.md), 2019-04-10: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; ELECTRICAL SYSTEM:SOFTWARE

## Other bulletins for the same vehicles and component

- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.I](/bulletins/11028904.md), 2026-02-19, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [08\-394\-25 REV. A](/bulletins/11026677.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B1E21\-96 \- Backup Battery Component Internal Failure.
- [9100734](/bulletins/11026660.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. If the DTC B1E21\-96: Backup Battery\-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery \(inside Telematics Box Module\) and order PN68493347
- [08\-394\-25](/bulletins/11026549.md), 2025-12-11, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B1E21\-96 \- Backup Battery Component Internal Failure
- [9100668](/bulletins/11023327.md), 2025-09-24, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order a "68" part number for New unsold units only.
- [23\-008\-25](/bulletins/11014385.md), 2025-02-20, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. "
- [S1408000384 REV.H](/bulletins/11013171.md), 2025-01-28, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.G](/bulletins/11012777.md), 2025-01-09, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [08\-258\-24](/bulletins/11012233.md), 2025-01-03, Service bulletin: ELECTRICAL SYSTEM. "Body Control Module \(BCM\) Replacement Guidelines Guidelines in case of BCM replacement on exFCA vehicles in the Enlarged Europe region. "

JSON: [/v1/bulletins/10190683](/v1/bulletins/10190683)

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