OBD Guide

P246A

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3

P246A is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3. Common causes: open or short circuit in the sensor circuit, exhaust temperature sensor malfunction. Estimated repair cost: $28–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–67 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Errors in the operation of the exhaust gas recirculation system

Causes

  • Open or short circuit in the sensor circuit
  • Exhaust temperature sensor malfunction
  • Poor contact in the sensor connector
  • Corrosion or oxidation of contacts
  • Problems with the ECU

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the exhaust temperature sensor
  4. Replace sensor if necessary
  5. Check and, if necessary, update the ECU firmware

Related codes

Error P246A by Vehicle Brand

FAQ

What does the P246A code mean?

P246A is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3

What causes a P246A error code?

The most common causes of P246A include: Open or short circuit in the sensor circuit; Exhaust temperature sensor malfunction; Poor contact in the sensor connector; Corrosion or oxidation of contacts.

How do I fix a P246A diagnostic trouble code?

To fix P246A: Check the integrity of the sensor circuit. Inspect connectors and contacts for damage. Check the resistance of the exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P246A?

Yes, but get it checked soon

How much does it cost to fix P246A?

The estimated repair cost for P246A is $28–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat