U3562

Cathode Bypass Valve

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Check Engine Light Is On
Problems starting the engine
Unstable operation at idle

Causes

Open or short circuit in valve circuit
Solenoid valve malfunction
Wiring Harness Problems
Malfunction of the fuel cell control unit
Mechanical valve jamming

How to Fix

Check valve control circuit integrity
Check the resistance and operation of the solenoid valve
Inspect the wiring harness for damage
Check control signals from the control unit
If necessary, replace the cathode bypass valve

Related codes

U3561 U3563 U3560