Code result
P053D
PCV Heater A Performance
Moderate severity
What it means
The PCV heater on path A is electrically intact but does not deliver the expected thermal effect - hose temperature does not rise as commanded. Heater element aged or contact resistance increased.
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
Heater element aged
highOne of the most commonly reported causes for this code — check this first.
Related help
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