U0605: Lost communication With A/C Refrigerant Sensor A
What Does U0605 Mean?
U0605 is a diagnostic trouble code indicating: Lost communication With A/C Refrigerant Sensor A. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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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.
Related Codes
U0600
Lost Communication With Engine Oil Pressure Sensor A
U0601
Lost Communication With Particulate Filter Pressure Sensor A
U0602
Lost Communication With Particulate Filter Pressure Sensor B
U0603
Lost Communication With Fuel Pressure Sensor A
U0604
Lost Communication With Fuel Pressure Sensor B
U0606
Lost Communication With Throttle/Pedal Position Sensor/Switch A
U0607
Lost Communication With Throttle/Pedal Position Sensor/Switch B
U0608
Lost Communication With Throttle/Pedal Position Sensor/Switch C