P26B2

Engine Coolant Bypass Valve B Stuck Closed

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
Unstable engine operation
Increased fuel consumption
Check Engine light comes on

Causes

Mechanical valve jamming
Solenoid valve malfunction
Problems with the electrical control circuit
Valve contaminated or corroded

How to Fix

Check the condition of the coolant bypass valve
Check the solenoid valve and its connections
Check the electrical control circuit for breaks and short circuits
Replace faulty valve or solenoid valve

Related codes

P26B0 P26B1 P26B3