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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Specifications >> Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

WARNING: This page is about a different variant/trim than selected.
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

Range Signal A B C
Park HI LOW HI
Reverse LOW LOW HI
Neutral HI LOW HI
D4 HI LOW LOW
D3 HI HI LOW
D2 HI HI HI
D1 LOW HI HI
Invalid LOW HI LOW
Invalid LOW LOW LOW
LOW = 0 volts
HI = Ignition voltage