Code result
P2447
Secondary Air Injection Pump Stuck On
Moderate severity
What it means
Bank 2 secondary air pump runs continuously. Either a stuck-on relay or a shorted control output keeps the pump powered when it should be off.
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
Relay stuck closed
highOne of the most commonly reported causes for this code — check this first.
Driver stage shorted on
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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