OBD Guide

U3565

Hydrogen Supply Line A Pressure Sensor 2 Circuit

U3565 is an OBD-II diagnostic trouble code meaning: Hydrogen Supply Line A Pressure Sensor 2 Circuit. Common causes: open or short circuit in the sensor circuit, hydrogen pressure sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Difficulty starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Hydrogen pressure sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Software error in the engine control unit

How to Fix

  1. Check the continuity of the hydrogen pressure sensor circuit
  2. Check the sensor connector for corrosion or damage.
  3. Replace the hydrogen pressure sensor if necessary
  4. Check and update engine control unit software
  5. Check wiring harness for damage

Related codes

Error U3565 by Vehicle Brand

FAQ

What does the U3565 code mean?

U3565 is an OBD-II diagnostic trouble code that indicates: Hydrogen Supply Line A Pressure Sensor 2 Circuit

What causes a U3565 error code?

The most common causes of U3565 include: Open or short circuit in the sensor circuit; Hydrogen pressure sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a U3565 diagnostic trouble code?

To fix U3565: Check the continuity of the hydrogen pressure sensor circuit. Check the sensor connector for corrosion or damage.. Replace the hydrogen pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U3565?

Yes, but get it checked soon

How much does it cost to fix U3565?

The estimated repair cost for U3565 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat