GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Cobalt 🢒 Transmission 🢒 Automatic Transmission - 4T45-E 🢒 Transmission Fluid Pressure Manual Valve Position Switch Logic

Range Signal

B

C

Park/Neutral

HI

HI

Reverse

HI

LOW

Drive

LOW

HI

Invalid

LOW

LOW

LOW = 0 volts

HI = Ignition voltage