Code result
P26AA
Engine Coolant Bypass Valve A Position Sensor Maximum Stop Performance
Moderate severity
What it means
During self-calibration the bypass valve A position sensor never reached the maximum mechanical stop.
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
Sediment prevents valve from reaching maximum stop
highOne of the most commonly reported causes for this code — check this first.
Sensor not aligned with valve shaft
mediumA plausible cause — test and verify before replacing parts.
Related help
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