Service bulletins for the 2000 Saturn LS
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.
196 on file from NHTSA, as of 2026-10-19.
About P0638 on the 2000 Saturn LS: 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: P0638 are shown. Show all
| 040604085 | 2005-01-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) AND/OR REDUCED POWER LAMP ILLUMINATING FOLLOWING COLD ENGINE START UP IN SUBFREEZING TEMPERATURES, DIAGNOSTIC TROUBLE CODES (DTC) P0638, P1510 AND/OR P1516 STORED IN ENGINE CONTROL MODULE (ECM). *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.