P1173 Throttle Actuation Potentiometer Signal 2 Signal Too High
Possible causes
– Faulty Throttle Position Sensor (TPS)
– Faulty Throttle Position Sensor (TPS) harness is open or shorted
– Faulty Throttle Position Sensor (TPS) circuit poor electrical connection
– Faulty Throttle Drive electric motor
– Faulty Throttle Valve Control Module
– Faulty Throttle Position Sensor (TPS) harness is open or shorted
– Faulty Throttle Position Sensor (TPS) circuit poor electrical connection
– Faulty Throttle Drive electric motor
– Faulty Throttle Valve Control Module
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)