Code result
P00B6
Radiator Coolant Temperature/Engine Coolant Temperature Correlation
Moderate severity
What it means
Difference between radiator outlet and engine coolant temperatures is implausible — typically indicates a stuck thermostat.
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
Thermostat stuck open (slow warm-up)
highOne of the most commonly reported causes for this code — check this first.
Related help
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