Code result
P2681
Engine Coolant Bypass Valve A Control Circuit / Open
Moderate severity
What it means
The controller cannot drive the engine coolant bypass valve A. The valve usually routes coolant around the radiator during warm-up; without it warm-up takes longer and emissions during the warm-up phase rise.
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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