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

Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - heater control - circuit low
Cause:
    Wiring open circuit/short to ground, HO2S

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    HO2S Insufficient Switches Conditions
Cause:
    No PCM codes set, MAF from 12-28 g/sec, closed loop enabled, engine speed 1000-1700 rpm, then the PCM detected during the HO2S test less than 50 R/L and L/R Bank 1 HO2S-11 switches

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

Isuzu
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) - RH front (6 cyl) - 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 - LH front - response malfunction
Cause:
    Air fuel sensor

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

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

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

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) heater control - circuit low
Cause:
    Wiring open circuit/short to ground, HO2S