6l80 help!

[bensalz1911]

Looking at the tunning files and there is a normal shift , pattern a , and pattern b. What is the difference between the three and what is the A and B?? Then lookin gat the shift pressure folder there is a, a , b and c just wondering what these are im assuming one is maybe tow haul??
-thanks for the help

[joecar]

You will need to refer to the service manual for your vehicle to see which pattern maps to Normal, A, B.

[Telco]

From what I've been able to gather, normal shift is when the shifter is in D, pattern A is when the shifter is in M, and pattern B is tow/haul on trucks or sport mode in cars. No guarantees this is correct.