U355D
Expander Inlet Pressure Sensor 1 Circuit
U355D is an OBD-II diagnostic trouble code meaning: Expander Inlet Pressure Sensor 1 Circuit. Common causes: open or short circuit in the sensor circuit, malfunction of inlet pressure sensor. Estimated repair cost: $17–67.
Symptoms
- Check Engine light comes on
- Engine power drop
- Unstable operation at idle
- Increased fuel consumption
- Dips during acceleration
Causes
- Open or short circuit in the sensor circuit
- Malfunction of inlet pressure sensor
- Oxidation of contacts in the sensor connector
- Wiring Harness Problems
- ECU malfunction (rare)
How to Fix
- Check the integrity of the sensor wiring
- Clean the contacts of the sensor connector
- Check the sensor resistance (compare with reference values)
- Replace pressure sensor if necessary
- Scan the system for other fault codes
Related codes
Error U355D by Vehicle Brand
FAQ
What does the U355D code mean?
U355D is an OBD-II diagnostic trouble code that indicates: Expander Inlet Pressure Sensor 1 Circuit
What causes a U355D error code?
The most common causes of U355D include: Open or short circuit in the sensor circuit; Malfunction of inlet pressure sensor; Oxidation of contacts in the sensor connector; Wiring Harness Problems.
How do I fix a U355D diagnostic trouble code?
To fix U355D: Check the integrity of the sensor wiring. Clean the contacts of the sensor connector. Check the sensor resistance (compare with reference values). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U355D?
Limited driving only, diagnose soon
How much does it cost to fix U355D?
The estimated repair cost for U355D is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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