OBD Guide

B0413

Main Temperature Control Feedback Circuit

B0413 is an OBD-II diagnostic trouble code meaning: Main Temperature Control Feedback Circuit. Common causes: temperature sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of climate control
  • Unstable temperature in the cabin
  • Error indication on the dashboard

Causes

  • Temperature sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with the climate control unit
  • Contact corrosion

How to Fix

  1. Check the temperature sensor for functionality
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Test the climate control control unit
  5. Replace faulty components

Related codes

Error B0413 by Vehicle Brand

FAQ

What does the B0413 code mean?

B0413 is an OBD-II diagnostic trouble code that indicates: Main Temperature Control Feedback Circuit

What causes a B0413 error code?

The most common causes of B0413 include: Temperature sensor malfunction; Open or short circuit in wiring harness; Problems with the climate control unit; Contact corrosion.

How do I fix a B0413 diagnostic trouble code?

To fix B0413: Check the temperature sensor for functionality. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0413?

Limited driving only, diagnose soon

How much does it cost to fix B0413?

The estimated repair cost for B0413 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat