B0433
Temperature Control #3 Feedback Circuit Malfunction
B0433 is an OBD-II diagnostic trouble code meaning: Temperature Control #3 Feedback Circuit Malfunction. Common causes: malfunction of the temperature sensor in circuit no. 3, open or short circuit in wiring harness. Estimated repair cost: $56–167.
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
- Check the integrity of the wiring harness in circuit No. 3
- Check connections and connectors for corrosion or damage
- Test circuit temperature sensor No. 3
- Check resistance and voltage in the circuit
- If necessary, replace the sensor or repair the wiring
- Reset the error and check if it returns
Related codes
Error B0433 by Vehicle Brand
FAQ
What does the B0433 code mean?
B0433 is an OBD-II diagnostic trouble code that indicates: Temperature Control #3 Feedback Circuit Malfunction
What causes a B0433 error code?
The most common causes of B0433 include: Malfunction of the temperature sensor in circuit No. 3; Open or short circuit in wiring harness; Poor contact in connectors; Wiring corrosion.
How do I fix a B0433 diagnostic trouble code?
To fix B0433: Check the integrity of the wiring harness in circuit No. 3. Check connections and connectors for corrosion or damage. Test circuit temperature sensor No. 3. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0433?
Limited driving only, diagnose soon
How much does it cost to fix B0433?
The estimated repair cost for B0433 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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