GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Very odd issue, FLT 4L80

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Old Apr 16, 2010 | 03:04 PM
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Default Very odd issue, FLT 4L80

I was hoping someone would have some insite to share. I don't know or think it is the actual transmission, but, I have it twice today not go into any gear. I got out to inspect the driveshaft, it was perfect. I jumped back in, turned off the truck, fired it back up, it was perfect again.

I entered the car wash, after if was done, shifted into gear again, nothing. From any gear. Turned it off again, fired it up and perfect.

My only thought so far is that it's a stupid electrical gremlin. I plan on disconnected the wiring harness from the transmission and cleaning it well with contact cleaner.

Does anyone have any other ideas or better yet, first hand experience with this? I have never had a single issue until today with it. Thanks.
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Old Apr 16, 2010 | 04:09 PM
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I just wanted to say that within minutes of this post I had a PM from Andy at FLT to help me out. That is crazy service in my books. Two thumbs up so far for service. Once I find out what it was I'll advise.
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Old Apr 16, 2010 | 06:56 PM
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That is killer customer service for sure, good luck figuring it out
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Old Apr 16, 2010 | 07:10 PM
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Originally Posted by budhayes3
That is killer customer service for sure, good luck figuring it out
So far so good on the service for sure.
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