P2232

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Unstable engine operation
Reduced engine power
Increased level of harmful emissions

Causes

Damage to the oxygen sensor wiring harness
Short circuit in the sensor circuit
Oxygen sensor malfunction
Corrosion or oxidation of connector contacts
Problems with the engine ECU

How to Fix

Visual inspection of the wiring and connectors of the oxygen sensor
Checking the continuity of the signal and heater circuits
Sensor resistance measurement
Replacing the oxygen sensor if necessary
Cleaning or replacing connectors if there is corrosion

Related codes

P2231 P2233 P2230