{"vehicle":{"id":"2015_land-rover_lr4","year":2015,"make":"Land Rover","model":"LR4"},"code":"P0504","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10106041,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-12","date":"2015-01-05","document_id":"SSM52757","mfr_campaign":null,"component":"EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH","summary":"\"ISSUE: EXCESSIVE BRAKE PEDAL PRESSURE REQUIRED TO GET THE AUTO TRANSMISSION OUT OF PARK, WARNING LIGHTS ON THE INSTRUMENT PACK WITH ASSOCIATED DTC'S FOR BRAKE LIGHT SWITCH (P0504-27, P0504-62, C1A96-64) OR BRAKES SHOWING SIGNS OF DRAG AND BINDING. CAUSE: INCORRECT BRAKE LIGHT SWITCH SETTING. NOTE: ANALYSIS OF RETURNED BRAKE SWITCHES HAVE SHOWN NO ISSUES WITH THE BRAKE SWITCH ITSELF. DO NOT REPLACE THE SWITCH BEFORE ADJUSTMENT IS CARRIED OUT.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10106041"}],"url":"https://open.wenmarpro.com/makes/land-rover/lr4/2015/bulletins?code=P0504"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/land-rover/lr4/2015/codes/P0504","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}