B0423

Right 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
Uneven temperature distribution in the cabin
No heating or cooling on the right side of the cabin

Causes

Open or short circuit in feedback circuit
Temperature sensor malfunction
Problems with the temperature controller
Wiring harness damage
Malfunction of the climate control control unit

How to Fix

Check the integrity of the wiring harness and connections
Check the resistance of the temperature sensor
Check the operation of the temperature controller
Scan the climate control module for other errors
Replace faulty components if necessary

Related codes

B0422 B0424 B0425