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Symptom: P0122-THROTTLE POSITION SENSOR VOLTAGE LOW When Monitored and Set Condition: P0122-THROTTLE POSITION SENSOR VOLTAGE LOW When Monitored: With the ignition on and battery voltage above 10.4 volts. Set Condition: Throttle Position Sensor voltage at the PCM is 0.1 volt for 1.3 seconds. POSSIBLE CAUSES THROTTLE POSITION SENSOR SWEEP INTERMITTENT CONDITION 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND 5 VOLT SUPPLY CIRCUIT OPEN THROTTLE POSITION SENSOR INTERNAL FAILURE THROTTLE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND THROTTLE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT TCM INTERNALLY SHORTED THROTTLE POSITION SIGNAL CIRCUIT PCM 5 VOLT SUPPLY CIRCUIT PCM THROTTLE POSITION SENSOR SIGNAL TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read the Throttle Position Sensor voltage. Is the voltage below 0.2 volts? All Yes → No → 2 Turn the ignition off. All Yes → No → 61 DRIVEABILITY - GAS |