U065A: Lost Communication With Right Front Temperature Actuator
Severity
Medium
System
Vehicle Systems
What Does U065A Mean?
U065A is a diagnostic trouble code indicating: Lost Communication With Right Front Temperature 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 U065A
- ⚠️ Check Engine Light (MIL) illuminated
- ⚠️ No communication with Right Front Temperature 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 Right Front Temperature Actuator
- 🔍 Power or ground supply issue to Right Front Temperature Actuator
- 🔍 Right Front Temperature Actuator internal failure
- 🔍 Water intrusion damaging module or connectors
- 🔍 CAN bus termination resistor fault
Frequently Asked Questions
What does U065A mean?
U065A indicates: Lost Communication With Right Front Temperature Actuator. The vehicle's computer has detected that the Right Front Temperature Actuator is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code U065A?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U065A for extended periods may cause additional problems.
How much does it cost to fix U065A?
Repair costs for U065A 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 Right Front Temperature Actuator for damage
- 🔧 Check power and ground supply to Right Front Temperature Actuator
- 🔧 Replace failed Right Front Temperature Actuator
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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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.
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