Possible causes

– Pressure Control Solenoid harness is open or shorted
– Pressure Control Solenoid circuit poor electrcial connection
– Faulty Control Solenoid Valve Assembly

When is the code detected?

The Transmission Control Module (TCM) has detected an internal low voltage electrical malfunction of the Pressure Control (PC) solenoid control circuit

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0971 Information for specific makes

P0971 ACURA
P0971 DODGE
P0971 CHEVROLET
P0971 GMC
P0971 SATURN