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Service bulletin 201200

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 id618143
Published by NHTSA2001-04-05
Manufacturer's number201200
Manufacturer's date2000-12-20
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SOME VEHICLES MAY EXHIBIT THE SERVICE ENGINE SOON LIGHT ON AND DIAGNOSTIC TROUBLE CODES P0480 OR P0481 STORED. *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.

Trouble codes named

P0480, P0481

Vehicles listed
CHEVROLET IMPALA2001
CHEVROLET MONTE CARLO2001

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