B0433

Symptoms

• Incorrect operation of climate control
• Uneven heating or cooling of the interior
• Hot or cold air is supplied to the wrong vents
• Error indication on the climate control display

Causes

• Malfunction of the temperature sensor in circuit No. 3
• Open or short circuit in wiring harness
• Poor contact in connectors
• Wiring corrosion
• Malfunction of the climate control module (CCM)

How to Fix

1. Check the integrity of the wiring harness in circuit No. 3
2. Check connections and connectors for corrosion or damage
3. Test circuit temperature sensor No. 3
4. Check resistance and voltage in the circuit
5. If necessary, replace the sensor or repair the wiring
6. Reset the error and check if it returns

Related codes

Error B0433 by Vehicle Brand