Code result
P2DE7
Cold Start Engine Coolant Bypass Valve C Range/Performance
Moderate severity
What it means
During cold start, the engine coolant bypass valve C response does not match the cold-start calibration.
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
Valve sluggish at cold
highOne of the most commonly reported causes for this code — check this first.
Linkage iced
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
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