B0413

Main Temperature Control Feedback Circuit

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

Check the temperature sensor for functionality
Inspect the wiring harness for damage
Check contacts for corrosion
Test the climate control control unit
Replace faulty components

Related codes

B0414 B0415 B0416