U062E — Lost Communication With A/C Refrigerant Expansion Valve Actuator

What Does U062E Mean?

U062E is a diagnostic trouble code indicating: Lost Communication With A/C Refrigerant Expansion Valve Actuator. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of U062E

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with A/C Refrigerant Expansion Valve Actuator
⚠️ Multiple warning lights may illuminate simultaneously
⚠️ Related system completely inoperative
⚠️ System warning light illuminated

Common Causes

🔍 CAN bus wiring fault (open or shorted) to A/C Refrigerant Expansion Valve Actuator
🔍 Power or ground supply issue to A/C Refrigerant Expansion Valve Actuator
🔍 A/C Refrigerant Expansion Valve Actuator internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U062E mean?

U062E indicates: Lost Communication With A/C Refrigerant Expansion Valve Actuator. The vehicle's computer has detected that the A/C Refrigerant Expansion Valve Actuator is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U062E?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U062E for extended periods may cause additional problems.

How much does it cost to fix U062E?

Repair costs for U062E typically range from $80 to $800, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect CAN bus wiring to A/C Refrigerant Expansion Valve Actuator for damage
🔧 Check power and ground supply to A/C Refrigerant Expansion Valve Actuator
🔧 Replace failed A/C Refrigerant Expansion Valve Actuator

1
Find your vehicle above
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2
Check for recalls
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

U062E: Lost Communication With A/C Refrigerant Expansion Valve Actuator