Service bulletins for the 2002 Buick Regal
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.
406 on file from NHTSA, as of 2026-10-19.
About P0650 on the 2002 Buick Regal: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0650 are shown. Show all
| 01609 | 2004-05-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DIAGNOSTIC TROUBLE CODE (DTC) P0650 SET AFTER PCM (POWERTRAIN CONTROL MODULE) REPLACEMENT. *TT |
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| 01584 | 2004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC TROUBLE CODE (DTC) P0650 SET AFTER POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT. SIT BULLETIN 1413730. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.