What does code P0123 mean?

Throttle/Pedal Position Sensor A Circuit High: The TPS is reading above its expected voltage range.

P0123 is rated as high severity. Address soon — may cause further damage.

P0123

Throttle/Pedal Position Sensor A Circuit High

Powertrain Code · High

What does P0123 mean?

The TPS is reading above its expected voltage range.

System: Throttle

P0123 is a powertrain diagnostic trouble code indicating throttle/pedal position sensor a circuit high. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.