Code result
P2B6D
Engine Coolant Flow Control Valve Position Sensor Circuit Intermittent/Erratic
Moderate severity
What it means
The position sensor signal of the engine coolant flow control valve drops out or jumps intermittently. Loose connector or vibration-sensitive contact.
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
Sensor connector not seated
highOne of the most commonly reported causes for this code — check this first.
Harness chafing intermittently shorts the wire
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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