P0132

O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)

Powertrain Code · Medium

What does P0132 mean?

High voltage from the upstream O2 sensor on bank 1, indicating a possible rich condition or sensor failure.

System: O2 Sensor

P0132 is a powertrain diagnostic trouble code indicating o2 sensor circuit high voltage (bank 1, sensor 1). This code is classified as medium severity, which means: schedule service — affects performance or emissions.

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.