OBD-II Diagnostic Trouble Code
P2449
Secondary Air Injection System Switching Valve Control Circuit Low
P
Powertrain
engine / trans
engine / trans
2
Generic
SAE standard
SAE standard
4
Auxiliary emission controls
49
Secondary Air Injection System Switching Valve Control Circuit Low
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain
Standard
ISO/SAE Controlled
Fault type
Circuit Low