OBD Guide

P2C63

O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3

P2C63 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3. Common causes: oxygen sensor malfunction (bank 1, sensor 3), open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

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

Causes

  • Oxygen sensor malfunction (bank 1, sensor 3)
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring Harness Problems
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the condition and connections of the oxygen sensor
  2. Check the integrity of the sensor circuit (resistance, short circuit)
  3. Clean sensor connector contacts
  4. If necessary, replace the oxygen sensor
  5. Check and, if necessary, update the ECU firmware

Related codes

Error P2C63 by Vehicle Brand

FAQ

What does the P2C63 code mean?

P2C63 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3

What causes a P2C63 error code?

The most common causes of P2C63 include: Oxygen sensor malfunction (bank 1, sensor 3); Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.

How do I fix a P2C63 diagnostic trouble code?

To fix P2C63: Check the condition and connections of the oxygen sensor. Check the integrity of the sensor circuit (resistance, short circuit). Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C63?

Yes, but get it checked soon

How much does it cost to fix P2C63?

The estimated repair cost for P2C63 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat