OBD Guide

U062A

Lost Communication With A/C Refrigerant Distribution Valve Actuator A

U062A is an OBD-II diagnostic trouble code meaning: Lost Communication With A/C Refrigerant Distribution Valve Actuator A. Common causes: open or short circuit in valve circuit, refrigerant distribution solenoid valve malfunction. Estimated repair cost: $17–94.

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

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

Related codes

Error U062A by Vehicle Brand

FAQ

What does the U062A code mean?

U062A is an OBD-II diagnostic trouble code that indicates: Lost Communication With A/C Refrigerant Distribution Valve Actuator A

What causes a U062A error code?

The most common causes of U062A include: 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.

How do I fix a U062A diagnostic trouble code?

To fix U062A: Check the integrity of the valve circuit and connectors. Check the resistance and operation of the solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U062A?

Yes, but get it checked soon

How much does it cost to fix U062A?

The estimated repair cost for U062A is $17–94. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat