{"nhtsa_id":39726,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1994-12-01","document_id":"CMP/95C11B1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1995 BUICK PARK AVENUE AND RIVIERA MODEL VEHICLES EQUIPPED WITH A 3800 SERIES II ENGINE (L36) MAY HAVE A DECELERATION STALL UNDER LIMITED CONDITIONS. THIS COULD RESULT IN A LOSS OF POWER STEERING ASSIST, GENERATOR AND POWER BRAKING ASSIST. TO PREVENT THIS CONDITION FROM OCCURRING, DEALERS ARE TO REPLACE SUSPECT MEM-CAL OF THE POWERTRAIN CONTROL MODULE (PCM) WITH A MEM-CAL OF AN IMPROVED DESIGN. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39726","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"PARK AVENUE","year_from":1995,"year_to":1995,"match":"exact","vehicle_ids":["1995_buick_park-avenue"]},{"make":"BUICK","model":"REGAL","year_from":1995,"year_to":1995,"match":"exact","vehicle_ids":["1995_buick_regal"]},{"make":"BUICK","model":"RIVIERA","year_from":1995,"year_to":1995,"match":"exact","vehicle_ids":["1995_buick_riviera"]}],"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":[]}