P26AE

Engine Coolant Bypass Valve B Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Unstable engine operation
Engine overheating
Reduced cooling system efficiency

Causes

Short circuit to power in the control circuit
Coolant Bypass Valve B Malfunction
Wiring harness damage
Problems with the ECU
Corrosion or poor contact in connectors

How to Fix

Check control circuit for short circuit
Test Coolant Bypass Valve B
Inspect the wiring harness and connectors for damage
Check the operation of the computer
Replace faulty components

Related codes

P26AF P26AD P26B0