TSB 04-06-04-051J — Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin

04-06-04-051J is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 31 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2007–2009 model years. NHTSA's summary reads: This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

NHTSA's file names Buick Enclave (2008–2009); Buick LaCrosse (2007–2009); Cadillac CTS (2007–2009); Cadillac Escalade (2007–2009); Cadillac SRX (2007–2009); Chevrolet Avalanche (2007–2009); Chevrolet Aveo (2007–2009); Chevrolet Blazer (2007–2008); Chevrolet Cobalt (2007–2009); Chevrolet Colorado (2007–2009), and 21 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

No. 04-06-04-051J is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 04-06-04-051J, its date, and NHTSA's own summary from the public file.