P22C0

O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

The Check Engine light comes on
Possible increased fuel consumption
Slight deterioration in vehicle dynamics
Possible unstable idle speed
There may be problems with passing technical inspection

Causes

Open or short circuit in O2 sensor circuit
Poor contact in the sensor connector
Malfunction of the oxygen sensor itself
Damage to the wiring harness near the sensor
Problems with the engine ECU

How to Fix

Check the integrity of the wiring to the O2 sensor
Inspect the sensor connectors for corrosion or damage.
Check the resistance and signal of the sensor with a multimeter
If necessary, replace the oxygen sensor bank 2 sensor 2
Check and, if necessary, update the ECU firmware

Related codes

P22C1 P22BF P22C2