{"nhtsa_id":10101662,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-01","date":"2014-07-08","document_id":"LTB00677NAS1","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"\"SITUATION: THE TRANSMISSION MAY BE UNABLE TO SHIFT FROM PARK (P) AND A 'GEARBOX FAULT' MESSAGE MAY DISPLAYED IN THE INSTRUMENT CLUSTER. UPON INVESTIGATION, THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTC) WILL BE STORED: • U0001-81 (TRANSMISSION CONTROL MODULE [TCM]) • U0402-2A (TRANSMISSION CONTROL SWITCH [TCS]) • U0001-81 (ANTI-LOCK BRAKE SYSTEM ([ABS] CONTROL MODULE) IN ADDITION, THE FOLLOWING DTCS MAY BE STORED: • U0402-92 (TRANSMISSION CONTROL SWITCH [TCS]) • U0592-00 (ENGINE CONTROL MODULE [ECM]) THIS BULLETIN DOES NOT APPLY IF DTC P0850-02, P0850-29 AND/OR P1707-72 IS STORED IN THE TCM. REFER TO SSM71813 IF ANY OF THESE DTCS ARE STORED. CAUSE: THIS MAY BE CAUSED BY A COMMUNICATIONS ISSUE BETWEEN THE CENTRAL JUNCTION BOX (CJB) AND THE TCM.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10101662","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0850","P1707","U0001","U0402","U0592"],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"RANGE ROVER SPORT","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_land-rover_range-rover-sport"]}],"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":[]}