OBD Guide

P22BC

O2 Sensor Reference Voltage Performance Bank 2 Sensor 2

P22BC is an OBD-II diagnostic trouble code meaning: O2 Sensor Reference Voltage Performance Bank 2 Sensor 2. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Increased fuel consumption
  • Check Engine light comes on
  • Reduced engine power
  • Increased emissions
  • Unstable engine operation at idle

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the oxygen sensor itself
  • Circuit Grounding Problems
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Clean sensor connector contacts
  3. Check the reference voltage at the sensor
  4. Replace the oxygen sensor if necessary
  5. Check the condition of the catalytic converter

Related codes

Error P22BC by Vehicle Brand

FAQ

What does the P22BC code mean?

P22BC is an OBD-II diagnostic trouble code that indicates: O2 Sensor Reference Voltage Performance Bank 2 Sensor 2

What causes a P22BC error code?

The most common causes of P22BC include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the oxygen sensor itself; Circuit Grounding Problems.

How do I fix a P22BC diagnostic trouble code?

To fix P22BC: Check the integrity of the wiring to the sensor. Clean sensor connector contacts. Check the reference voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22BC?

Yes, but get it checked soon

How much does it cost to fix P22BC?

The estimated repair cost for P22BC is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat