Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Injector 4 - short to positive
Cause:
    Wiring short to positive, injector

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Fuel Solenoid Response Time Too Short Conditions
Cause:
    Engine speed over 506 rpm, ECT input more than 34°F, system voltage from 10-16v, requested fuel rate more than 0 0 mm, then the PCM detected that the injection pump closure time was less than 0.75 milliseconds

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Injector 4 - short to positive
Cause:
    Wiring short to positive, injector