The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 6L80 transmission rebuild, relearn, & TCC wiring

**First c10** · 02-19-2018, 02:37 AM

Hey guys
I rebuilt the 2011 6L80 and reinstalled it into my sons truck and was told to re learn the transmission through hp tuners. When I do it, it asked me to apply the brake. When I did I got nothing and the relearn aborts.
So I guess I have a TCC wiring issue.
I have wired it to 12v brake applied, ground when applied and even installed a 1k resister on the ground wire through a relay.
No matter what I did the message asked me to apply brake and then it would abort.
The truck does not move in drive or reverse.

Anyone had this problem? Can anyone help?

02-19-2018, 02:37 AM	#1
First c10 Registered User Join Date: Dec 2012 Location: Los Banos CA Posts: 2,705	6L80 transmission rebuild, relearn, & TCC wiring Hey guys I rebuilt the 2011 6L80 and reinstalled it into my sons truck and was told to re learn the transmission through hp tuners. When I do it, it asked me to apply the brake. When I did I got nothing and the relearn aborts. So I guess I have a TCC wiring issue. I have wired it to 12v brake applied, ground when applied and even installed a 1k resister on the ground wire through a relay. No matter what I did the message asked me to apply brake and then it would abort. The truck does not move in drive or reverse. Anyone had this problem? Can anyone help? __________________ 1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR SOLD GO GO!!!