Operation CHARM: Car repair manuals for everyone.

Overdrive Solenoid: Description and Operation

CONSTRUCTION
The overdrive solenoid and TCC solenoid are molded together. They are only used on four-speed automatic transmissions.

OPERATION
The Powertrain Control Module (PCM) operates the overdrive solenoid by providing a ground path on circuit T60. Circuit T6O connects to the PCM cavity 55. Circuit A21 supplies battery voltage to the overdrive solenoid.