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Service bulletin N232427130

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 id10247545
Published by NHTSA2023-12-20
Manufacturer's numberN232427130
Manufacturer's date2023-12-20
NHTSA componentUNKNOWN OR OTHER; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

NHTSA's summary

Customer Satisfaction Program. Certain vehicles, equipped with tire size 255/70R22.5 (RPO 5U5), the Mimamori Control Module (MMU) was not programmed with the correct tire size value. This error will cause the accumulated mileage value shown in the captured data to be incorrect. As a result, the Vehicle Health Report will incorrectly calculate mileage-based information such as the “next recommended service” date. Dealers will inspect the vehicle’s tires and reprogram the MMU to correct the mileage accumulation.

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

Tires, Tire pressure monitoring

Vehicles listed
CHEVROLET 6500HD2023

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