OBD Guide

P2244

O2 Sensor Reference Voltage Performance Bank 1 Sensor 1

P2244 is an OBD-II diagnostic trouble code meaning: O2 Sensor Reference Voltage Performance Bank 1 Sensor 1. Common causes: 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
  • Increased fuel consumption
  • Unstable engine idling
  • Reduced engine power
  • Dips during acceleration

Causes

  • Oxygen sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • Corrosion of sensor connector contacts
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor wires and connectors
  2. Measure resistance and voltage at the sensor
  3. Check the reference voltage in the sensor circuit
  4. Replace the faulty oxygen sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error P2244 by Vehicle Brand

FAQ

What does the P2244 code mean?

P2244 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Reference Voltage Performance Bank 1 Sensor 1

What causes a P2244 error code?

The most common causes of P2244 include: Oxygen sensor malfunction; Open or short circuit in the sensor circuit; Wiring Harness Problems; Corrosion of sensor connector contacts.

How do I fix a P2244 diagnostic trouble code?

To fix P2244: Check the integrity of the sensor wires and connectors. Measure resistance and voltage at the sensor. Check the reference voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2244?

Yes, but get it checked soon

How much does it cost to fix P2244?

The estimated repair cost for P2244 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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