{"nhtsa_id":10109266,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-01","date":"2013-09-03","document_id":"122-L4A6G-06","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN","mfr_system":null,"summary":"Concerns: Rear-differential lock control unit Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. With the current data record for regulating the rear-differential lock, there may be increased wear on the pinion shaft on the servo motor for the rear-differential lock as a result of extreme driving over the service life of the vehicle. This can cause noises and can subsequently impair the function of the rear-differential lock.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10109266-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10109266-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10109266","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_porsche_cayenne","2012_porsche_cayenne","2013_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":[]}