OBD Guide

P2479

Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

P2479 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Out of Range Bank 1 Sensor 2. Common causes: exhaust temperature sensor malfunction, open or short circuit in the sensor circuit. 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
  • Reduced engine power
  • Increased fuel consumption
  • Unusual odors from the exhaust system
  • Exhaust system overheating

Causes

  • Exhaust temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Problems with the sensor wiring harness
  • Malfunction of the catalytic converter
  • Mechanical damage to the exhaust system

How to Fix

  1. Check the condition of the exhaust temperature sensor
  2. Check the integrity of the sensor circuit and connections
  3. Inspect the wiring harness for damage
  4. Check the condition of the catalytic converter
  5. Replace faulty exhaust temperature sensor

Related codes

Error P2479 by Vehicle Brand

FAQ

What does the P2479 code mean?

P2479 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

What causes a P2479 error code?

The most common causes of P2479 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Problems with the sensor wiring harness; Malfunction of the catalytic converter.

How do I fix a P2479 diagnostic trouble code?

To fix P2479: Check the condition of the exhaust temperature sensor. Check the integrity of the sensor circuit and connections. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2479?

Yes, but get it checked soon

How much does it cost to fix P2479?

The estimated repair cost for P2479 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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