OBD Guide

P22C2

O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 2

P22C2 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 2. Common causes: open or short circuit in the oxygen sensor circuit, oxygen sensor malfunction (bank 2, sensor 2). Estimated repair cost: $28–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–67 (est.)

Symptoms

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

Causes

  • Open or short circuit in the oxygen sensor circuit
  • Oxygen sensor malfunction (bank 2, sensor 2)
  • Wiring harness damage
  • Poor contact in the sensor connector
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the continuity of the oxygen sensor circuit
  2. Inspect the connector and wires for damage
  3. Check the resistance and signal of the oxygen sensor
  4. Replace the faulty oxygen sensor if necessary
  5. Clear error codes and check if error is returned

Related codes

Error P22C2 by Vehicle Brand

FAQ

What does the P22C2 code mean?

P22C2 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 2

What causes a P22C2 error code?

The most common causes of P22C2 include: Open or short circuit in the oxygen sensor circuit; Oxygen sensor malfunction (bank 2, sensor 2); Wiring harness damage; Poor contact in the sensor connector.

How do I fix a P22C2 diagnostic trouble code?

To fix P22C2: Check the continuity of the oxygen sensor circuit. Inspect the connector and wires for damage. Check the resistance and signal of the oxygen sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22C2?

Yes, but get it checked soon

How much does it cost to fix P22C2?

The estimated repair cost for P22C2 is $28–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat