What does P0974 Mean? The Transmission Control Module (TCM) uses Shift Solenoids to control the hydraulic pressure in the transmission which is needed to apply the various clutch packs in the transmission that provide the different gear ratios needed to efficiently propel the vehicle down the road. When the TCM detects a pressure control solenoid is not performing as desired, it will set code P0974. engine code P0974P0974 fixobd P0974dtc P0974obd code P0974obd2 P0974P0974 car codediagnostic code P0974car code P0974check engine code P0974fehlercode P0974P0974 fiatcodigo P0974codigo falla P0974P0974 kody b??dówcodigo de falla P0974 What are the common causes of P0974 ? Several problems may cause a P0974 code including: Low transmission fluid Dirty or contaminated transmission fluid Damaged or defective wiring Open or shorted wiring Damaged or defective shift solenoid A Damaged or defective ECM (rare) How do you troubleshoot P0974 ? While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P0974 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools. Searches related to P0974 - Shift Solenoid 'A' Control Circuit High p0974 chevy cobalt p0974 honda accord p0974 toyota p0974 chevy hhr p0977 p0980 honda p0977 shift solenoid a control circuit high p0974 mini cooper
