B3A14

A/C Refrigerant Distribution Valve A Actuator Temperature Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced air conditioner efficiency
Uneven interior cooling
Complete failure of the air conditioning system
Unusual noises from the air conditioning system

Causes

Refrigerant distribution valve actuator malfunction
Problems with the wiring harness (open, short circuit)
Poor contact in connectors
Malfunction of the air conditioning control unit

How to Fix

Check wiring harness and connectors for damage
Check the resistance and signals of the actuator
Replace the faulty actuator
Test the air conditioning system after repair

Related codes

B3A15 B3A16 B3A17