Trouble Code P2440

P2440

Technical Definition:

Secondary Air Injection System Switching Valve Stuck Open (Bank 1)

Trouble Code: P2440
Address: 0x2440
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:

Possible Causes:

Possible Symptoms:

Secondary Air Injection System Switching Valve Stuck Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Vacuum Switching Valve (VSV)
– Vacuum Switching Valve (VSV) harness is open or shorted
– Vacuum Switching Valve (VSV) circuit poor electrical connection
– Faulty Pressure Sensor
– Faulty Air Switching Valve

Specific Makes: