OBD Guide

P2C64

O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3

P2C64 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3. Common causes: bank 1 sensor 3 oxygen sensor malfunction, 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
  • Possible increased fuel consumption
  • Deterioration of vehicle dynamics
  • Dips during acceleration
  • Unstable idle speed

Causes

  • Bank 1 Sensor 3 Oxygen Sensor Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Vacuum leak in the intake system
  • Problems with the fuel system (low pressure)

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Inspect connectors for oxidation or damage
  3. Check fuel pressure
  4. Replace oxygen sensor Bank 1 Sensor 3
  5. Check the system for vacuum leaks

Related codes

Error P2C64 by Vehicle Brand

FAQ

What does the P2C64 code mean?

P2C64 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3

What causes a P2C64 error code?

The most common causes of P2C64 include: Bank 1 Sensor 3 Oxygen Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Vacuum leak in the intake system.

How do I fix a P2C64 diagnostic trouble code?

To fix P2C64: Check the integrity of the sensor wiring harness. Inspect connectors for oxidation or damage. Check fuel pressure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C64?

Yes, but get it checked soon

How much does it cost to fix P2C64?

The estimated repair cost for P2C64 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat