Code result
P214B
SCR NOx Catalyst Inlet Temperature Too High During Particulate Filter Regeneration
Moderate severity
What it means
SCR NOx Catalyst Inlet Temperature Too High During Particulate Filter Regeneration: the component is overheating, typically from extended load or slip.
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
HC dosing overshot during regeneration
highOne of the most commonly reported causes for this code — check this first.
Related help
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