Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air leak
Cause:
    Intake/exhaust leak, fuel pressure/pump, wiring short to ground, HO2S

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    MAF Sensor Out of Self-Test Range Conditions
Cause:
    Engine running, then the PCM detected the MAF sensor voltage was more than g/sec value, or that the MAF sensor voltage was less than the g/sec value Refer to the Voltage to MAF Sensor Conversion Charts in the Training Manual

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Mass air flow (MAF) sensor - out of self test range
Cause:
    Wiring, MAF sensor, ECM

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Neutral position (NP) switch - MT - circuit malfunction
Cause:
    Wiring, NP switch, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) low voltage
Cause:
    Intake/exhaust leak, fuel pressure/pump, wiring short to ground, HO2S