P26C0

Engine Coolant Bypass Valve D Stuck/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
Insufficient engine warm-up
Decrease in interior heating efficiency
Unstable engine operation
Check Engine Light Illuminates

Causes

Coolant bypass valve stuck
Open or short circuit in valve control circuit
Solenoid valve malfunction
Wiring Harness Problems
Mechanical damage to the valve

How to Fix

Check the condition of the coolant bypass valve
Check valve control circuit integrity
Replace faulty valve
Check and replace wiring harness if necessary
Reset the error code and test drive

Related codes

P26C1 P26C2 P26C3