P0120 OBD II Trouble Code Throttle Position Sensor/Switch (TPS) A Circuit Malfunction

Detailed information on troubleshooting and repairing a p0120 vehicle trouble code which refers to a malfunction in the throttle position sensor/switch TPS A circuit. Also includes links to relevant forum topics on the code.

Symptoms of P0120 OBD II Trouble Code

Common Causes of P0120 OBD II Trouble Code