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Home >> Hummer >> 2006 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Specifications >> Transmission Fluid Pressure Manual Valve Position Switch Logic

Transmission Fluid Pressure Manual Valve Position Switch Logic

TFP Manual Valve Position Switch Logic

Gear Selector Position Signal A Signal B Signal C
Park/Neutral (P or N) HI LOW HI
Reverse (R) LOW LOW HI
Drive 4 (D) HI LOW LOW
Drive 3 (3) HI HI LOW
Drive 2 (2) HI HI HI
Drive 1 (1) LOW HI HI
Invalid LOW HI LOW
LOW LOW LOW
  • HI = Ignition voltage
  • LOW = 0 voltage