Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Secondary AIR System Monitor Circuit High Conditions
Cause:
    Engine running with AIR system disabled, then the PCM detected a signal from the secondary AIR monitor that indicated the voltage was high

Land Rover
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Secondary air injection (AIR) system, control valve open
Cause:
    Wiring, control valve, ECM

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Secondary air injection (AIR) pump relay - open circuit/short to ground
Cause:
    Wiring open circuit/short to ground, AIR pump relay