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VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old February 5th, 2017, 18:20   #1
Join Date: Oct 2013
Location: Romeoville
Fuel Economy: 40-45 mpg
Default PassKey Failure error on display

Since I am now out of warrantee, this concerns me. I entered my car, went to start it up, and as I'm pushing the start button, the display reads something to the effect of PassKey Failure. Now, the car started without any hiccups but it leaves me with some concern. I replaced the battery in my key fob, just to be safe, but I wanted to know if anyone else has encored then message. I was unsuccessful in finding any other threads on the subject. Thanks for any input you can offer.

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Old February 6th, 2017, 04:12   #2
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Join Date: Jun 2003
Location: Central IL

What is PassKey? Are you referring to the KESSY system?

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Old February 6th, 2017, 07:29   #3
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Join Date: Mar 2010
Location: Charleston, WV

I had an error the day that I went to turn mine in. It said key not in range. I held the key up the the steering column and it started. The JSW without KESSY did something similar. I disconnected the battery and it worked fine after that.
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Old February 6th, 2017, 08:39   #4
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Join Date: Sep 2003
Location: Springfield VA

It's most likely the battery in the remote. Scan with VCDS to be sure.
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Originally Posted by BRUSSELS BELGIAN View Post
Maybe I should pay MYSELF to do bad work on my car!
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Old February 6th, 2017, 15:29   #5
Join Date: Jul 2015
Location: Poland
TDI(s): 2.0 CR

if he open car by hand (not remote button) battery is ok, also cluster will show " Low battery"
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