{"nhtsa_id":10044444,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-07-03","date":"2012-07-12","document_id":"ITB-12-038","mfr_campaign":null,"replaces":"ITB-12-038-A","component":"SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"INFINITI: WARNING LIGHT IS ON FOR 4 WHEEL ACTIVE STEER (4WAS) WHICH IS RELATED TO ABS ACTUATOR. DTC-C1631, C1930, C1138, C1A04. *PE UPDATED 7/18/12. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10044444","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["C1138","C1631","C1930","C1A04"],"topics":[],"vehicles":[{"make":"INFINITI","model":"M37","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_infiniti_m37"]}],"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":[]}