Xoutpost.com - Another trans fail safe

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Xoutpost.com (https://xoutpost.com/forums.php)

- X5 (E53) Forum (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/)

- - Another trans fail safe (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/103079-another-trans-fail-safe.html)

Rockit

02-19-2016 03:27 PM

If it happens when your idling in park for like 5-8 minutes and it goes to Trans Fail and when you start it back off it goes away...that's what happened to mine 2002 ,it's the neutral safety switch.

dhyrk3

02-19-2016 03:49 PM

Rockit, I don't really get a trans failsafe message. Symptoms are there is no sports and manual mode, and there's no response from the control unit when you try to access it in INPA

I'm thinking that the oil in the connector when it's plugged causes connectivity issues with the TCM or something.

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X53Jay4.8is

02-19-2016 05:22 PM

Quote:

Originally Posted by dhyrk3 (Post 1069666)

Where is the oil in the connector coming from? Get some contact cleaner and get it out.

upallnight

02-19-2016 05:45 PM

Most likely a failed seal. Probably this o-ring

https://www.ecstuning.com/b-genuine-...s/24101423176/

dhyrk3

02-20-2016 12:32 AM

Not really sure where the oil is coming from.

Quote:

Originally Posted by upallnight (Post 1069673)

Most likely a failed seal. Probably this o-ring

https://www.ecstuning.com/b-genuine-...s/24101423176/

Does this mean I have to open the tranny again??

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upallnight

02-20-2016 02:03 AM

Yep

dhyrk3

02-20-2016 06:01 AM

Bugger!

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