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Service bulletin 0805423

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)
TypeService bulletin
NHTSA id10248034
Published by NHTSA2024-01-02
Manufacturer's number0805423
Manufacturer's date2023-02-23
NHTSA componentEXTERIOR LIGHTING; ELECTRICAL SYSTEM

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: ? B1053-64 RFHM (KIN Communication) - Signal Plausibility Failure ? B1A7D-2F- Start Button-Signal Erratic Customers may also experience: ? Vehicle can not be switched off using the keyless button. This bulletin involves updating the RFHM module with the latest available software.

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, Lighting

Trouble codes named

B1053, B1A7D

Vehicles listed
JEEP RENEGADE2022

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

Recalls for the same vehicles and component
20247472024-12-10. Lights And Instruments
24V9180002024-12-10. STRUCTURE:BODY:BUMPERS; EXTERIOR LIGHTING:BACK UP LIGHTS

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
21-040-262026-05-20. Service bulletin. Not applicable to vehicles built for US market. Clutch Actuator Cylinder Motor Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2787-00 Clutch 1 Temperature Too High. ● P28C7-00 Clutch A Motor Phase U-V-W Performance. ● P27F3-00 Clutch 2 Temperature Too High. ● P28D5-00 Clutch B Motor Phase U-V-W Circuit Performance. Customers may experience the following: ● Transmission warning light on or odd gears unavailable or even gears unavailable or reverse gear unavailable In case of a reported and ascertained fault, check and replace the worn/damaged components, if necessary, according to the Operating Cycle below.
08-204-262026-05-20. Service bulletin. 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.
08-204-262026-05-13. Service bulletin. 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.J2026-03-13. Service bulletin. 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.I2026-02-19. Service bulletin. 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. A2025-12-17. Service bulletin. 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.
91007342025-12-17. Service bulletin. 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
08-394-252025-12-11. Service bulletin. 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
S25090000082025-08-21. Service bulletin. Customer Indicates Reduced Power And Malfunction Indication Light (MIL) on. Possible DTC’s P2453, P2455, P2461.
S25080000672025-08-21. Service bulletin. Key Fobs Only Work When Depressing the Key Fob Into the Keyless Ignition Node (KIN)