WenmarOpen by Wenmar Pro

Service bulletins for the 2005 Pontiac Bonneville

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.

495 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
RB-08206A2009-07-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE. CADILLAC PONTIAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE SECONDARY AIR INJECTION (SAI) SYSTEM MAY HAVE BEEN DISABLED AS THE RESULT OF A PREVIOUS SERVICE PROCEDURE THAT INCLUDED POWERTRAIN CONTROL MODULE (PCM) REPROGRAMMING OR REPLACEMENT. ONLY VEHICLES EQUIPPED WITH 4.6L V8 (RPO LD8, L37 ENGINE. CSC LETTER WAS RECEIVED. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.