Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1, Bank 1 - heater resistance too high
Cause:
    Wiring, HO2S

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Lack of HO2S Switches, Sensor at Lean Limit Conditions
Cause:
    Engine running in closed loop, then the PCM detected that the HO2S-11 signal did not switch because the fuel control system is at its lean limit

Infiniti
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid - malfunction
Cause:
    Wiring, intake manifold air control solenoid

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) lean mixture indicated
Cause:
    Wiring, HO2S, fuel pressure, fuel system, mechanical fault, ECM

Mercedes-Benz
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1 - signal/ electrical fault
Cause:
    Wiring, HO2S

Nissan
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid - malfunction
Cause:
    Wiring, intake manifold air control solenoid, ECM

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1, Bank 1 - malfunction
Cause:
    Wiring, HO2S, ECM

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) short circuit
Cause:
    Wiring, HO2S, ECM