Error code
OBD2 P0415
OBD2P0415
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Secondary Air Injection System Switching Valve 'B' Circuit.
Severity
moderateCan be driven, but may cause emissions issues and reduced performance.
Summary
P0415 indicates a malfunction in the Secondary Air Injection System Switching Valve 'B' circuit, which is part of the engine's emissions control system.
Common Causes
- Wiring issues
- Faulty AIR solenoid B
- ECM (Engine Control Module) problem
Fixes
- Replace the faulty AIR solenoid B or repair wiring issues.
FAQ
What does P0415 mean?
P0415 indicates a malfunction in the Secondary Air Injection System Switching Valve 'B' circuit.
How serious is P0415?
It's moderately serious. The vehicle can still be driven, but it may cause emissions issues and reduced performance.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0400Exhaust Gas Recirculation Flow
- P0401Exhaust Gas Recirculation Flow Insufficient Detected
- P0402Exhaust Gas Recirculation Flow Excessive Detected
- P0403Exhaust Gas Recirculation Control Circuit
- P0404Exhaust Gas Recirculation Control Circuit Range/Performance
- P0405Exhaust Gas Recirculation Sensor 'A' Circuit Low
- P0406Exhaust Gas Recirculation Sensor 'A' Circuit High
- P0407Exhaust Gas Recirculation Sensor 'B' Circuit Low
- P0408Exhaust Gas Recirculation Sensor 'B' Circuit High
- P0409Exhaust Gas Recirculation Sensor 'A' Circuit
- P0410Secondary Air Injection System
- P0411Secondary Air Injection System Incorrect Flow Detected