I have a 2010 Silverado. There is not a explanation in the help section. In the PART THROTTLE SHIFT there is 4 tables. NORMAL, PATTERN A, PATTERN B and HOT. Could someone help me with what the 4 tables are used for? I like the shift pattern of PATTERN A, can I copy and paste it to NORMAL? And is NORMAL table what the PCM looks at under normal conditions? Thank you for any help you can send my way.