Anyone who?s done a gen V 6l80 swap in a JK with 5.38?s and 40+ tires have a good shifting TCM tune they would be willing to share. I am having trouble with shifting and holding gears and low RPM...
Type: Posts; User: jrager
Anyone who?s done a gen V 6l80 swap in a JK with 5.38?s and 40+ tires have a good shifting TCM tune they would be willing to share. I am having trouble with shifting and holding gears and low RPM...
Update: had to flash ECM and TCM together with same vin. Reset to stock. Disabled VATS, Starter Diag, and DOD. Its running ok now and trans is working but not shifting correctly just need to tune the...
It is the tune that came loaded on the ECU with the swap. I don't have the original ECU /Tune.
I ordered a Pass through device so I can reprogram both the ECU and TCM together to the Same VIN...
I can this evening see if I can pull the Trans data.
Thanks for the response, It was a complete drop out of a running vehicle 2017 Sierra. I did not separate the engine trans.
116904116905
Did you ever solve this I am having similar issue?
I recently swapped an 2017 L83/6L80 (both out of same vehicle) into a Jeep 2009 JKUR.
L83 is 3 wire HPS . I have an LT1 intake and TB installed
I used a Motech Swap Kit with their Harness,...
Looking for a stock tune for a late 2017 Silverado/Sierra 3-wire HPS with 6l80 trans TCM.
I swapped this combo into a 2009 Jeep JKUR and am having trouble where the engine revs to WOT when I take...
Is this tune for a 2017 L83 4 wire or 3 wire HPS?