B3A09

A/C Refrigerant Distribution Valve D Control Circuit Driver Current/Temperature Too High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$111–333 (est.)

Symptoms

Insufficient interior cooling
Air conditioner malfunction
Noise during operation of the air conditioning system

Causes

Refrigerant distribution valve malfunction
Damaged wiring harness or contacts
HVAC Control Module Problems
Short circuit in the circuit

How to Fix

Check the integrity of the wiring harness and contacts
Check the resistance of the refrigerant distribution valve
Replace faulty valve if necessary
Update or replace HVAC control module

Related codes

B3A08 B3A10 B3A11