Code result
P23C3
Engine Coolant Bypass Valve C Position Sensor Circuit
Moderate severity
What it means
A general circuit fault on the position sensor of the third engine coolant bypass valve C - typically used in advanced thermal management systems with multiple coolant loops.
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 in sensor or wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
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