# Service bulletin 0805623

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: 10248035
- Published by NHTSA: 2024\-01\-02
- Manufacturer's number: 0805623
- Manufacturer's date: 2023\-02\-24
- NHTSA component: ELECTRICAL SYSTEM; AIR BAGS; EXTERIOR LIGHTING

## NHTSA's summary

Flash: Radio Frequency Hub Module \(RFHM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code \(DTCs\) have been set: ? \*\*B1A7D\-2F\- Start Button\-Signal Erratic\*\* ? B1053\-64 RFHM \(KIN Communication\) \- Signal Plausibility Failure Customers may also experience: ? \*\*Vehicle can not be switched off using the keyless button.\*\* ? ?Service Passive Entry? light on cluster. ? Vehicle will not shut off with DTC B1053\-64. ? Vehicle may not start with DTC B1053\-64. This bulletin involves updating the RFHM module with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248035-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248035-9999.pdf)

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

## Components

Air bags, Electrical system, Lighting

## Trouble codes named

B1053, B1A7D

## Vehicles listed

- 2019 to 2021 JEEP RENEGADE

## Recalls for the same vehicles and component

- [2024747](/recalls/tc/2024747.md), 2024-12-10: Lights And Instruments
- [24V918000](/recalls/nhtsa/24V918000.md), 2024-12-10: STRUCTURE:BODY:BUMPERS; EXTERIOR LIGHTING:BACK UP LIGHTS
- [24V510000](/recalls/nhtsa/24V510000.md), 2024-07-03: SEAT BELTS:FRONT; AIR BAGS:FRONTAL
- [19V438000](/recalls/nhtsa/19V438000.md), 2019-06-11: AIR BAGS; AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
- [2019178](/recalls/tc/2019178.md), 2019-04-11: Airbag
- [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

- [08\-204\-26](/bulletins/11032819.md), 2026-05-20, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available.
- [08\-204\-26](/bulletins/11032642.md), 2026-05-13, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available.
- [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.
- [S2508000067](/bulletins/11022014.md), 2025-08-21, Service bulletin: ELECTRICAL SYSTEM. Key Fobs Only Work When Depressing the Key Fob Into the Keyless Ignition Node \(KIN\)
- [08\-239\-25](/bulletins/11021856.md), 2025-08-13, Service bulletin: BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; ELECTRICAL SYSTEM. NOTE: Not applicable to vehicles built for US Market. Rear View Camera Inoperable Customers may experience the following: ● Rearview camera is inoperable, or shows a blue screen. This bulletin involves replacing the rearview camera main harness.

JSON: [/v1/bulletins/10248035](/v1/bulletins/10248035)

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