Service bulletins for the 2005 Pontiac Sunfire
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.
504 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Transmission control module are shown. Show all
| 05539 | 2005-11-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). PRODUCT EMISSION RECALL TO REPLACE THE POWERTRAIN/ENGINE CONTROL MODULE (PCM/ECM). THE POWERTRAIN/ENGINE CONTROL MODULE (PCM/ECM) MAY HAVE BEEN MANUFACTURED WITH DAMAGED INTERNAL IC CHIPS, WHICH MAY AFFECT THE FUEL PUMP CONTROL AND EGR OUTPUTS OF THE PCM; OR THE FUEL PUMP CONTROL AND VARIABLE NOZZLE TURBO CONTROL (VNTC) OUTPUTS OF THE DIESEL ECM. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.