OBD Guide

P2466

Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3

P2466 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3. Common causes: open or short circuit in the sensor circuit, exhaust temperature sensor malfunction. 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
  • Reduced engine power
  • Increased fuel consumption
  • Problems starting the engine
  • Unstable engine operation at idle

Causes

  • Open or short circuit in the sensor circuit
  • Exhaust temperature sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control module malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor resistance
  3. Inspect connectors and contacts for corrosion
  4. Replace exhaust temperature sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2466 by Vehicle Brand

FAQ

What does the P2466 code mean?

P2466 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3

What causes a P2466 error code?

The most common causes of P2466 include: Open or short circuit in the sensor circuit; Exhaust temperature sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2466 diagnostic trouble code?

To fix P2466: Check the integrity of the sensor circuit. Check sensor resistance. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2466?

Yes, but get it checked soon

How much does it cost to fix P2466?

The estimated repair cost for P2466 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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