Transmission problem

[lilbruicer]

Hey just wondering if anyone could know what could be wrong with my truck i just had a rebuilt transmission put in my truck got it back on monday the 23 the transmisson started to clunk when going up hill and kicks down to a lower gear thats when it clunks and just today i was going up a hill and my truck kicked a code out the engine light came on if anyone knows please msg me thank you.

[Stainless]

Do you know what the code is?

[lilbruicer]

im taking it to my buddys to get it read tomorrow

[f150phule]

I'd take it back to where you got the tranny from and tell them to fix it.

[ronburgundy]

what was it doing before it hayed out? can't always blame the builder. get the codes read. maybe it's something in the trucks electrical system.

[shelbyx1]

first thing is to get the codes retreived to determine if it's elec or mech failure,if you need any help in interpreting codes feel free to pm me:)