{"vehicle":{"id":"1991_buick_roadmaster","year":1991,"make":"Buick","model":"Roadmaster"},"as_of":"2026-10-19","counts":{"count":4,"by_type":[{"id":"service_bulletin","name":"Service bulletin","count":4}],"components":[{"id":"visibility","name":"Glass, wipers and mirrors","count":2},{"id":"wiper","name":"Wipers and washers","count":2},{"id":"automatic-transmission","name":"Automatic transmission","count":1},{"id":"engine","name":"Engine","count":1},{"id":"engine-control-module","name":"Engine control module","count":1},{"id":"powertrain","name":"Transmission and driveline","count":1}],"codes":[],"topics":[]},"bulletins":[{"nhtsa_id":10246631,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-12-11","date":"2013-09-01","document_id":"130089009","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","summary":"Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10246631-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10246631-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10246631"},{"nhtsa_id":634999,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-11","date":"2005-08-01","document_id":"020730024A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT","summary":"DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634999"},{"nhtsa_id":45823,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-06-01","document_id":"438206A","mfr_campaign":null,"component":"VISIBILITY:WINDSHIELD WIPER/WASHER","summary":"UNKNOWN","document":null,"url":"https://open.wenmarpro.com/bulletins/45823"},{"nhtsa_id":37951,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-02-09","date":"1994-12-01","document_id":"438206","mfr_campaign":null,"component":"VISIBILITY:WINDSHIELD WIPER/WASHER","summary":"WIPER CHATTER DURING COLD WEATHER. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/37951"}],"next_cursor":null,"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":[]}