P0971 GMC Pressure Control Solenoid C Control Circuit High
Possible causes
– Pressure Control Solenoid harness is open or shorted
– Pressure Control Solenoid circuit poor electrcial connection
– Faulty Control Solenoid Valve Assembly
– Pressure Control Solenoid circuit poor electrcial connection
– Faulty Control Solenoid Valve Assembly
What about the obd code?
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)
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,