{"vehicle":{"id":"2015_land-rover_lr4","year":2015,"make":"Land Rover","model":"LR4"},"code":"U0421","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10104281,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-06","date":"2015-02-23","document_id":"SSM72146","mfr_campaign":null,"component":"STEERING","summary":"\"ISSUE: ON L319, DISCOVERY 4 / LR4 SHOULD YOU SEE THE FOLLOWING VARIOUS U-CODES (INCLUDING BUT NOT LIMITED TO) U0415-68 U0421-68 U0416-68 U0241-00 PLEASE FOLLOW THE INSTRUCTIONS BELOW. CAUSE: THE CENTRE CONSOLE COOLER BOX IS REMAINING ACTIVE ONCE THE VEHICLE IGNITION IS SWITCHED OFF. THIS CAUSES BACK EMF AND RAISES DTCS AS IT FAILS TO GAIN INFORMATION FROM OTHER SENSORS.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10104281"},{"nhtsa_id":10103862,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-06","date":"2015-01-23","document_id":"SSM72146","mfr_campaign":null,"component":"EQUIPMENT:ELECTRICAL; STEERING","summary":"\"ISSUE: ON L319, DISCOVERY 4 / LR4 SHOULD YOU SEE THE FOLLOWING VARIOUS U-CODES (INCLUDING BUT NOT LIMITED TO) U0415-68 U0421-68 U0416-68U0241-00 PLEASE FOLLOW THE INSTRUCTIONS BELOW. CAUSE: THE CENTRE CONSOLE COOLER BOX IS REMAINING ACTIVE ONCE THE VEHICLE IGNITION IS SWITCHED OFF. THIS CAUSES BACK EMF AND RAISES DTCS AS IT FAILS TO GAIN INFORMATION FROM OTHER SENSORS.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10103862"}],"url":"https://open.wenmarpro.com/makes/land-rover/lr4/2015/bulletins?code=U0421"},"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/U0421","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."]}