{"nhtsa_id":619181,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-05-17","date":"2001-02-01","document_id":"010604009","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"ON CERTAIN MODELS INCLUDING MY2000 - 2001 CHEVROLET AND GMC WT5500 SERIES, THE SERVICE ENGINE SOON (SES) INDICATOR IS ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE 0226 SET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619181","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"T SERIES","year_from":1998,"year_to":2001,"match":"exact","vehicle_ids":["1998_chevrolet_t-series","1999_chevrolet_t-series","2000_chevrolet_t-series","2001_chevrolet_t-series"]},{"make":"GMC","model":"T SERIES","year_from":1998,"year_to":2001,"match":"exact","vehicle_ids":["1998_gmc_t-series","1999_gmc_t-series","2000_gmc_t-series","2001_gmc_t-series"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}