Posts Tagged: P0123 Dodge

P0123 Dodge

P0123 Dodge — Diagnose and Fix A P0123 Dodge is defined as Throttle Position Sensor 1 (TPS)  Circuit High. In this case, the PCM is seeing voltage of 4.5 volts or more for at least 1.3 seconds. The TPS used by Dodge is a typical variable resistor with a 5-volt reference voltage input and a ground wire terminating at the PCM. The wiper transmits a return signal with varying voltage that corresponds to the actual throttle position. Possible causes of P0123 Dodge A high voltage can be caused by: TPS … Read More