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Service bulletin 08-227-22

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 id10229797
Published by NHTSA2023-01-17
Manufacturer's number08-227-22
Manufacturer's date2022-12-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Flash: Security Gateway Module (SGW) Updates This bulletin involves reprogramming the SGW with the latest available software to enable High Octane functionality for vehiclesthat have installed the Direct Connection Stage Kits. For customers that have the Direct Connection Redeye Stage I and Stage II kits installed on their vehicle, this flash is requiredto enable functionality of the High Octane Mode.

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

Vehicles listed
DODGE CHARGER2023

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
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S2408000018 REV.A2026-04-22. Service bulletin. New Key Will Not Program, 0x22 Scan Tool Error
S26080000102026-03-13. Service bulletin. Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH)
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
1106082026-03-13. Service bulletin. SPEAKER - NONE
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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.
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