OBD Guide

P22B6

O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 2

P22B6 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 2. Common causes: oxygen sensor malfunction, open or short circuit in wiring. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration in fuel consumption
  • Unstable engine operation
  • Increased level of harmful emissions

Causes

  • Oxygen sensor malfunction
  • Open or short circuit in wiring
  • Poor contact in the sensor connector
  • Problems with the engine control module (ECU)

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the resistance of the oxygen sensor
  3. Replace the oxygen sensor if necessary
  4. Check and, if necessary, replace the engine control module

Related codes

Error P22B6 by Vehicle Brand

FAQ

What does the P22B6 code mean?

P22B6 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 2

What causes a P22B6 error code?

The most common causes of P22B6 include: Oxygen sensor malfunction; Open or short circuit in wiring; Poor contact in the sensor connector; Problems with the engine control module (ECU).

How do I fix a P22B6 diagnostic trouble code?

To fix P22B6: Check the integrity of wiring and connectors. Check the resistance of the oxygen sensor. Replace the oxygen sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22B6?

Yes, but get it checked soon

How much does it cost to fix P22B6?

The estimated repair cost for P22B6 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat