P0758

Diagnostic Chart:

Wiring Diagram:

Circuit Description

The 2-3 shift solenoid valve (2-3 SS Valve) controls the fluid acting on the 2-3 shift valves. The solenoid is a normally-open exhaust valve. In combination with the 1-2 Shift Solenoid Valve (1-2 SS Valve), the 2-3 SS Valve allows four different shifting combinations. The solenoid is attached to the control valve body within the transmission. Circuit 1039 supplies ignition voltage directly to the 2-3 SS Valve. The Powertrain Control Module (PCM) controls the solenoid by providing the ground path through circuit 1223.

If the PCM detects a continuous open or short to ground in the 2-3 SS Valve circuit or in the 2-3 SS Valve, then DTC P0758 sets. DTC P0758 is a Type A DTC.

Conditions for Setting the DTC

^ The ignition is ON.

^ The system voltage is 10-16 volts.

^ The PCM commands the solenoid ON and the voltage remains high (B+).

^ The PCM commands the solenoid OFF and the voltage remains low (0 volts).

^ All conditions are met for 5 seconds

Action Taken When the DTC Sets

^ The PCM illuminates the Malfunction Indicator Lamp (MIL).

^ The PCM commands 3rd gear.

^ The PCM commands maximum line pressure.

^ The PCM disables shift adapts.

^ The PCM inhibits Torque Converter Clutch.

Conditions for Clearing the MIL/DTC

^ The PCM turns OFF the MIL after three consecutive ignition cycles without a failure reported.

^ A scan tool can clear the DTC from the PCM history. The PCM clears the DTC from the PCM history if the vehicle completes 40 warm-up cycles without a failure reported.

^ The PCM cancels the DTC default actions when the fault no longer exists and the ignition is OFF long enough in order to power down the PCM.