OBD Guide

U355E

Expander Inlet Pressure Sensor 2 Circuit

U355E is an OBD-II diagnostic trouble code meaning: Expander Inlet Pressure Sensor 2 Circuit. Common causes: expander 2 pressure sensor faulty, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Engine performance deterioration
  • Unstable engine operation
  • Increased fuel consumption

Causes

  • Expander 2 pressure sensor faulty
  • Open or short circuit in the sensor circuit
  • Damaged or oxidized connectors
  • Wiring Harness Problems
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the pressure sensor
  4. Replace expander 2 pressure sensor if necessary
  5. Check the operation of the engine control unit

Related codes

Error U355E by Vehicle Brand

FAQ

What does the U355E code mean?

U355E is an OBD-II diagnostic trouble code that indicates: Expander Inlet Pressure Sensor 2 Circuit

What causes a U355E error code?

The most common causes of U355E include: Expander 2 pressure sensor faulty; Open or short circuit in the sensor circuit; Damaged or oxidized connectors; Wiring Harness Problems.

How do I fix a U355E diagnostic trouble code?

To fix U355E: Check the integrity of the sensor circuit. Inspect connectors and contacts for damage. Check the resistance of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U355E?

Yes, but get it checked soon

How much does it cost to fix U355E?

The estimated repair cost for U355E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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