What Does P1415 Mean?
The secondary air injection pump circuit for Bank 1 has malfunctioned. The system is not delivering supplemental air to the exhaust during cold start to reduce emissions.
Common Causes
40%
Failed secondary air injection pump
25%
Clogged or restricted air pump intake filter
15%
Stuck or failed air diverter/bypass valve
12%
Damaged pump wiring or loose connections
8%
Blocked air delivery hoses or check valves
Diagnostic Steps
1
Step 1: Command air pump on with scan tool and listen for pump operation (should hear distinct whirring)
2
Step 2: Check air pump electrical connections and test for 12V power when commanded on
3
Step 3: Inspect air pump filter for clogging and clean or replace if necessary
4
Step 4: Check air delivery hoses for cracks, disconnections, or blockages
5
Step 5: Test air flow at exhaust ports during pump operation; replace pump if no flow detected with good power
Estimated Repair Cost
$200 - $800
Parts + labor, varies by vehicle and location
The secondary air injection pump circuit for Bank 1 has malfunctioned. The system is not delivering supplemental air to the exhaust during cold start to reduce emissions.
The most common cause of P1415 (Air Pump Circuit Malfunction/ (AIR) System Bank 1) is: Failed secondary air injection pump
Typical repair costs for P1415 range from $200 to $800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Safe to continue driving. Will cause emissions test failure and increase cold-start emissions slightly.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P1415 to identify the root cause.
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Quick Info
Category
Powertrain
System
Emissions Control - Secondary Air Injection
Difficulty
Type
Manufacturer
Recommended Tools
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