Dodge P1278 Cylinder #8 High To Low Side Open Description OBD-II Trouble Code Description for P1278 Dodge Cylinder #8 High To Low Side Open OBD-II Trouble Code Description for P1278 Dodge Accelerator Pedal Position Sensor 1 Circuit High Voltage PSA OBD-II Trouble Code Description for P1278 Dodge Cylinder #8 High to Low open VAG OBD-II Trouble Code Description for P1278 Dodge Fuel metering solenoid – short to positive