WenmarOpen by Wenmar Pro

Service bulletin SC-2023070014

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 id10240253
Published by NHTSA2023-08-02
Manufacturer's numberSC-2023070014
Manufacturer's date2023-08-02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Update driver display, front passenger display, and central display control unit 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

Vehicles listed
CHEVROLET SILVERADO 25002001 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG EQS2022 to 2023
MERCEDES-BENZ AMG EQS 532022 to 2023
MERCEDES-BENZ EQS 4502022
MERCEDES-BENZ EQS 450+2022 to 2023
MERCEDES-BENZ EQS 5802022 to 2023
MERCEDES-BENZ EQS4502023
MERCEDES-BENZ EQS450+2023
MERCEDES-BENZ EQS5802023

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
PIP4723J2024-10-25. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
General Communication2024-08-26. Service campaign. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
24-NA-0982024-06-25. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
055002024-02-12. Service bulletin. 05500 IGNITION DISTRIBUTOR SYSTEM CORROSION INSPECT / REPLACE
1406040052023-12-11. Service bulletin. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIT3665M2023-06-13. Service bulletin. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
22-NA-2052022-11-02. Service bulletin. This service bulletin provides information on Module Harvesting.
21NA1242021-07-06. Service bulletin. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
15-NA-0792021-04-20. Service bulletin. OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely. As a result, some of your OnStar® system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer – or any dealer near you – as soon as possible to schedule an appointment for this no-cost software update. Your dealer will reprogram your OnStar® module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin #15-08-44-001F."
PIT4093B2020-04-13. Service bulletin. This Preliminary information communicates information to dealership on how to clear a B1001 DTC after replacing the BCM or SDM.