Acura
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) - LH front - insufficient switching
Cause:
    Exhaust system, wiring, HO2S, ECM

Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 2, Bank 1 & 2 - interchanged
Cause:
    HO2S 2 on Bank 1 & 2 incorrectly installed

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    HO2S Insufficient Switches Conditions
Cause:
    No ECT, EGR, EVAP, Fuel Injector, Fuel Trim, MAF, MAP or TP sensor codes set, DTC P0155 not set, then the PCM detected less than 55 lean to rich or rich to lean switches on the HO2S-21, or that the HO2S-21 signal remained fixed between 300-600 mv during a two minute test period in closed loop

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) - LH front - insufficient switching
Cause:
    Exhaust system, wiring, HO2S, ECM

Isuzu
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) - LH front - insufficient switching
Cause:
    Wiring, HO2S, fuel system, fuel pressure, mechanical fault, ECM

Lexus
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Air fuel sensor - California - RH front - response malfunction
Cause:
    Air fuel sensor

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) range/performance problem voltage high
Cause:
    Wiring, HO2S, ECM

Toyota
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Air fuel sensor - California - RH front - response malfunction
Cause:
    Air fuel ratio sensor

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) interchanged
Cause:
    HO2S 2 on Bank 1 & 2 incorrectly installed