B0271

Air Flow Control 7 Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of the climate control system
Lack of air supply to certain areas of the cabin
Check Engine Light Illuminates

Causes

Open or short circuit in wiring harness
Solenoid valve malfunction
Problems with the climate control unit
Mechanical failure of damper or actuator

How to Fix

Check wiring harness for damage
Check the resistance and operation of the solenoid valve
Scan the climate control control unit for errors
Check the mechanical part of the damper and actuator

Related codes

B0270 B0272 B0273