Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 8 - short to positive
Cause:
    Wiring short to positive, ignition coil/ amplifier

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    ICM CMP Pulse To 4X Reference Pulse Comparison
Cause:
    DTC P1376 not set, engine speed over 496 rpm, at least 7 CAM pulses received since startup, then the PCM detected that the number of 4X REF pulses it received during 2 CAM pulse periods did not equal 16, condition met at least twice in a row