WenmarOpen by Wenmar Pro

Service bulletin 0806420

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 id10223593
Published by NHTSA2022-10-17
Manufacturer's number0806420
Manufacturer's date2020-06-20
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM

NHTSA's summary

RAN and RAP Radio Software Enhancements This bulletin involves inspecting and if required, updating the radio to software level MV-119.001.009The customer should be informed that after the reprogram, the radio will need to have the phones paired to the Entertainment Telematics Module (ETM). The operative details for pairing telephones and settings are shown in the OwnerHandbook of the infotainment module. Some customers may experience one or more of the following:Radio may reboot while driving. Radio will display maintenance at the wrong mileage.

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, Equipment and accessories

Vehicles listed
ALFA ROMEO GIULIA2020
ALFA ROMEO STELVIO2020

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

Other bulletins for the same vehicles and component
22D Combo Rev12026-09-17. Warranty extension. Emissions Recall 22D - On Board Diagnostics - Dealer Notification (Revision 1)
22D Combo2026-09-10. Warranty extension. Emissions Recall 22D - On Board Diagnostics - Dealer Notification
S26230000372026-06-03. Service bulletin. Condensation Or Water Infiltration In Headlights, Daytime Running Lights (DRL), Turn Signals, Fog Lights, Taillights.
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
S25080001012025-11-13. Service bulletin. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
91006682025-09-24. Service bulletin. 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.