OBD Guide

B0514

Output Air Temperature Sensor 4 Circuit

B0514 is an OBD-II diagnostic trouble code meaning: Output Air Temperature Sensor 4 Circuit. Common causes: open or short circuit in the sensor circuit, outlet air temperature sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Possible reduction in engine power
  • Increased fuel consumption
  • Unstable engine operation at idle

Causes

  • Open or short circuit in the sensor circuit
  • Outlet air temperature sensor malfunction
  • Wiring harness damage
  • Poor contact in the sensor connector
  • Problems with the ECU

How to Fix

  1. Check the integrity of the sensor circuit (resistance, short circuits)
  2. Check the sensor connector for corrosion or damage.
  3. Check the functionality of the sensor (compare readings with reference values)
  4. Replace sensor if necessary
  5. Check wiring harness for damage
  6. If necessary, reflash the ECU

Related codes

Error B0514 by Vehicle Brand

FAQ

What does the B0514 code mean?

B0514 is an OBD-II diagnostic trouble code that indicates: Output Air Temperature Sensor 4 Circuit

What causes a B0514 error code?

The most common causes of B0514 include: Open or short circuit in the sensor circuit; Outlet air temperature sensor malfunction; Wiring harness damage; Poor contact in the sensor connector.

How do I fix a B0514 diagnostic trouble code?

To fix B0514: Check the integrity of the sensor circuit (resistance, short circuits). Check the sensor connector for corrosion or damage.. Check the functionality of the sensor (compare readings with reference values). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0514?

Limited driving only, diagnose soon

How much does it cost to fix B0514?

The estimated repair cost for B0514 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat