P2231 — O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1)

Q: What does fault code P2231 mean?

P2231 means: O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1). It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P2231?

With P2231 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1)

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Can I drive with P2231?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P2231 mean?

P2231 means O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1).

Can I keep driving with P2231?

You can usually drive home and book an inspection within a few days.

Related fault codes

P2230 — Barometric Pressure Circuit Intermittent
P2232 — O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 2)
P2233 — O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 Sensor 1)
P2234 — O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 Sensor 2)
P2237 — O2 Sensor Positive Current Control Circuit/Open (Bank 1 Sensor 1)
P2238 — O2 Sensor Positive Current Control Circuit Low (Bank 1 Sensor 1)
P2239 — O2 Sensor Positive Current Control Circuit High (Bank 1 Sensor 1)

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