U355C: Charge Air Cooler Outlet Temperature Sensor Circuit
Severity
Medium
System
Vehicle Systems
What Does U355C Mean?
U355C is a diagnostic trouble code indicating: Charge Air Cooler Outlet Temperature Sensor Circuit. 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 U355C
- β οΈ Check Engine Light (MIL) illuminated
- β οΈ Erratic Charge Air Cooler Outlet Temperature Sensor readings
- β οΈ Related system operating intermittently
- β οΈ System warning light illuminated
Common Causes
- π Wiring issue in Charge Air Cooler Outlet Temperature Sensor circuit (damaged, chafed, or corroded)
- π Faulty Charge Air Cooler Outlet Temperature Sensor connector or terminal
- π Failed Charge Air Cooler Outlet Temperature Sensor
- π ECM/PCM connection issue
Frequently Asked Questions
What does U355C mean?
U355C indicates: Charge Air Cooler Outlet Temperature Sensor Circuit. The vehicle's computer has detected that the Charge Air Cooler Outlet Temperature Sensor is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code U355C?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U355C for extended periods may cause additional problems.
How much does it cost to fix U355C?
Repair costs for U355C typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80β$150 at most shops) will identify the exact cause before committing to expensive parts.
What To Do Next
Possible Fixes
- π§ Inspect and repair Charge Air Cooler Outlet Temperature Sensor wiring and connectors
- π§ Replace faulty Charge Air Cooler Outlet Temperature Sensor
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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 ($50β$150) pinpoints the root cause.
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