U062A

Lost Communication With A/C Refrigerant Distribution Valve Actuator A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–94 (est.)

Symptoms

Air conditioning system not working
Uneven system cooling performance
Check Engine light comes on
Malfunction of automatic climate control mode
Increased noise from the air conditioning system

Causes

Open or short circuit in valve circuit
Refrigerant distribution solenoid valve malfunction
Problems with the wiring harness or connectors
Malfunction of the air conditioning control unit
Problems with power or circuit ground

How to Fix

Check the integrity of the valve circuit and connectors
Check the resistance and operation of the solenoid valve
Inspect the wiring harness for damage
Check power and ground in the control circuit
Flash or replace the control unit if necessary

Related codes

U062B U0629 B1477