Code result
P26AC
Engine Coolant Bypass Valve B Control Circuit / Open
Moderate severity
What it means
The controller cannot drive the second coolant bypass valve. The associated cooling sub-loop cannot be regulated.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open coil in bypass valve solenoid
highOne of the most commonly reported causes for this code — check this first.
Broken control wire
mediumA plausible cause — test and verify before replacing parts.
Related help
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