{"nhtsa_id":10202117,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-07","date":"2021-09-15","document_id":"2064460/1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT; STRUCTURE","mfr_system":null,"summary":"Customer statement / workshop findings: Rear side window blind/s do not operate from the individual switches and/or from the drivers door master switches. Technical background: The following most common failure modes should be considered before proceeding with the instructions within the Measure section -Rear blind/s do not operate following a CAN bus sleep -Rear blind/s do not operate if the switch operation is a prolonged hold instead of a Press and release operation -Rear blind/s do not operate following the loss of control module basic settings -Rear blind/s will also not operate if the Child Lock is on -Rear blind/s will cease to operate if there are repeated operations of the blind sufficient to trigger a fail safe mode (usually between 10 to 15 operations in a very short period) -As instructed within the owners handbook, the rear blind/swill not operate if window is in the lowered position -The blind will also not operate in extreme cold temperature for example -10 degrees Celsius or 14 degrees, Fahrenheit. VERY IMPORTANT: In the event that all the previous recommendations have been checked/confirmed and the issue is still evident, the operative should conduct a software parameter update to all four door control modules 0042, 0052, 00BB, 00BC to restore the functionality of the rear blinds.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202117-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202117-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10202117","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_bentley_bentayga"]}],"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":[]}