{"nhtsa_id":10145554,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-15","date":"2018-09-07","document_id":"122-E3W4E-10","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"Symptom: The yellow warning message \"Rear differential lock failure Adapted driving permitted\" can appear in the instrument cluster. Cause: The yellow warning message can appear in the instrument cluster due to defective control unit software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145554-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145554-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145554","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_porsche_cayenne"]}],"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":[]}