OBD Guide

P22C0

O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2

P22C0 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2. Common causes: open or short circuit in o2 sensor circuit, poor contact in the sensor connector. Estimated repair cost: $33–89.

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

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

Related codes

Error P22C0 by Vehicle Brand

FAQ

What does the P22C0 code mean?

P22C0 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2

What causes a P22C0 error code?

The most common causes of P22C0 include: 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.

How do I fix a P22C0 diagnostic trouble code?

To fix P22C0: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22C0?

Yes, but get it checked soon

How much does it cost to fix P22C0?

The estimated repair cost for P22C0 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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