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Service bulletin 210901

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 id626295
Published by NHTSA2001-12-13
Manufacturer's number210901
Manufacturer's date2001-09-21
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

CONDITIONS ON TRANSMISSION LIGHT ILLUMINATING. *SLC

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Vehicles listed
CHEVROLET MEDIUM DUTY2001
GMC MEDIUM DUTY2001

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