Pressure Regulator Valve (231)

Valve is stuck at high torque signal due to an undersized bore or sediment.

Reverse Boost Valve (228)

Valve is stuck at high torque signal due to an undersized bore or sediment.

Retainer Pin (211)

Pin is broken

Orificed Plug (210)

Plug is blocked

Pressure Control Solenoid Valve (320)

PCM

Loose connector

Check the PCM for current DTCs.