DTC P0108: Map Sensor Volts Too High: Description

Circuit is monitored with engine speed at 600-3500 RPM, Throttle Position (TP) sensor voltage less than 1.2 volts and battery voltage more than 10 volts. DTC will set when MAP sensor voltage is more than 4.96 volts. Possible causes are: signal circuit shorted to voltage, defective MAP sensor, signal circuit open, sensor ground circuit open or defective PCM.