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Abrupt 2-3 Upshift

Checks

Causes

Transmission Fluid Temperature (TFT) Sensor

Inspect for a faulty TFT sensor.

Pressure Control Solenoid Valve

Inspect for a malfunction of the pressure control solenoid valve.

Throttle Position Sensor

Inspect for a malfunction of the throttle position sensor.

Throttle Angle

Adjust the throttle angle of the throttle position sensor.

Transmission Control Module (TCM)

Inspect for a faulty TCM.

High Clutch

Inspect for a burned or worn high clutch.

Servo Release Accumulator

Inspect for a malfunction of the servo release accumulator.

Oil Pump

Inspect for a broken or damaged oil pump.

Control Valve Spool

Inspect for a malfunction of the control valve spool.

Control Valve

Inspect for a missing steel ball in the control valve.

   


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