Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
B0335
NiskiCode B0335 means a low signal level in the air conditioning selection switch circuit No. 5 (defrost). This is a fault related to the air conditioning control system.
Code B0335 indicates a problem with the switch circuit responsible for front windshield defrosting. This can cause the defrost function to stop working. The fault often results from damage to the switch itself or its wiring, so it's worth checking these elements before visiting a workshop.
Symptoms
Front windshield defrost function not working. Possible problems with selecting airflow modes in the air conditioning. Warning light or no response from the defrost button.
Possible causes
Faulty A/C mode selection switch (circuit No. 5) Short to ground in the switch wiring Faulty A/C control module Corrosion or damage to connectors in the switch circuit
Affected systems
Układ klimatyzacjiSterowanie nawiewemElektronika nadwozia
Does code B0335 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.