Code result
P0419
Secondary Air Injection System Relay B Circuit Malfunction
Moderate severity
What it means
A general electrical fault on AIR system control circuit B (typically the AIR pump driver line on the second pump or relay).
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
Pump driver or relay fault
highOne of the most commonly reported causes for this code — check this first.
Related help
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