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Service bulletins for the 1998 GMC T-Series

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.

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

By type

By component

By trouble code

Only bulletins with component: Throttle and cruise control are shown. Show all

Bulletins, newest first
99066A2000-04-10. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME VEHICLES THAT ARE REGISTERED IN CALIFORNIA, EQUIPPED WITH A 4.3L, 5.0L OR 5.7L ENGINE AND CALIFORNIA EMISSIONS, MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START. *TT
0006040032000-04-06. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, AND / OR A SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED. *TT

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