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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transmission - 6T40 - Specifications) >> Specifications >> Transmission Internal Mode Switch Logic

Transmission Internal Mode Switch Logic

WARNING: This page is about a different variant/trim than selected.
Gear Selector Position Signal A Signal B Signal C Signal P
Park LOW HI HI LOW
Park/Reverse LOW LOW HI LOW
Reverse LOW LOW HI HI
Reverse/Neutral HI LOW HI HI
Neutral HI LOW HI LOW
Neutral/Drive6 HI LOW LOW LOW
Drive6 HI LOW LOW HI
Drive6/Drive4 LOW LOW LOW HI
Drive4/M LOW LOW LOW LOW
Drive4/Drive3 LOW HI LOW LOW
Drive3 LOW HI LOW HI
Drive3/Drive2 HI HI LOW HI
Drive2 HI HI LOW LOW
Open HI HI HI HI
Invalid HI HI HI LOW
Invalid LOW HI HI HI
HI = Ignition voltage
LOW = 0volts