B3764
Auxiliary HVAC Door Actuator Range/Performance
B3764 is an OBD-II diagnostic trouble code meaning: Auxiliary HVAC Door Actuator Range/Performance. Common causes: damper actuator malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Incorrect distribution of air flow in the cabin
- Lack of temperature control in some areas of the cabin
- Noise during operation of the climate system
Causes
- Damper actuator malfunction
- Open or short circuit in wiring harness
- Problems with the climate control module
How to Fix
- Diagnosing an Error Code Using an OBD-II Scanner
- Checking the operation of the damper drive
- Checking the condition of the wiring harness and connections
- Replacing a faulty damper actuator
Related codes
Error B3764 by Vehicle Brand
FAQ
What does the B3764 code mean?
B3764 is an OBD-II diagnostic trouble code that indicates: Auxiliary HVAC Door Actuator Range/Performance
What causes a B3764 error code?
The most common causes of B3764 include: Damper actuator malfunction; Open or short circuit in wiring harness; Problems with the climate control module.
How do I fix a B3764 diagnostic trouble code?
To fix B3764: Diagnosing an Error Code Using an OBD-II Scanner. Checking the operation of the damper drive. Checking the condition of the wiring harness and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3764?
Limited driving only, diagnose soon
How much does it cost to fix B3764?
The estimated repair cost for B3764 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat