B3764

Auxiliary HVAC Door Actuator Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

B3765 B3766 B3767