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Service bulletin 020201

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 id618275
Published by NHTSA2001-04-11
Manufacturer's number020201
Manufacturer's date2001-02-02
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SUBJECT OF THIS SERVICE MESSAGE IS A PERCEIVED NEUTRAL CONDITION APPROXIMATELY 40 TO 45 MILES AN HOUR ON 4L60E AUTOMATIC TRANSMISSION. DRIVERS WHO EXPERIENCED THIS CONDITION MAY STATE THAT IT OCCURRED WHEN THEY WERE ACCELERATING AND REACHED APPROXIMATELY 40 TO 45. AT THAT POINT THE TRANSMISSION APPEARED TO STOP PULLING AND WENT INTO NEUTRAL. THIS CONDITION MAY OCCUR VERY INFREQUENTLY. *TT

The document

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

Components

Transmission and driveline, Automatic transmission

Vehicles listed
CADILLAC CADILLAC
CHEVROLET CHEVROLET
GMC GMC
OLDSMOBILE OLDSMOBILE
PONTIAC PONTIAC

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