U355A
Charge Air Cooler Outlet Pressure Sensor 1 Circuit
U355A is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Outlet Pressure Sensor 1 Circuit. Common causes: pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Check Engine light comes on
- Dips during acceleration
Causes
- Pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Leaks in the charge air system
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring to the sensor
- Check the sensor connector for corrosion
- Test the pressure sensor with a multimeter
- Check the charge air system for leaks
- Replace pressure sensor if necessary
Related codes
Error U355A by Vehicle Brand
FAQ
What does the U355A code mean?
U355A is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Outlet Pressure Sensor 1 Circuit
What causes a U355A error code?
The most common causes of U355A include: Pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Leaks in the charge air system.
How do I fix a U355A diagnostic trouble code?
To fix U355A: Check the integrity of the wiring to the sensor. Check the sensor connector for corrosion. Test the pressure sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U355A?
Limited driving only, diagnose soon
How much does it cost to fix U355A?
The estimated repair cost for U355A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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