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Service bulletin N232418320-01

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 id10251512
Published by NHTSA2024-03-07
Manufacturer's numberN232418320-01
Manufacturer's date2024-03-07
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

NHTSA's summary

Customer Satisfaction Program - Certain vehicles, equipped with an 8-speed dual clutch transmission (RPO M1M), may have been serviced with the wrong Main Control Valve Body. Dealers will replace the Main Control Valve Body.

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

Engine, Transmission and driveline, Automatic transmission

Vehicles listed
CHEVROLET CORVETTE2023

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
PIP5781A2024-02-12. Service bulletin. This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform the function causing further confusion.
17-NA-0662023-07-25. Service bulletin. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
PIE07402023-03-08. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Transmission Message and/or Check Engine Lamp illuminated on the Driver Information Center (DIC) and having multiple DTCs set.