Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 6 - open circuit
Cause:
    Wiring open circuit, ignition coil/ amplifier

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    IC Module 4X Reference Circuit Too Many Pulses Conditions
Cause:
    DTC P1376 not set, engine speed over 496 rpm, at least 7 CAM pulses received since key on, and one CAM pulse received in last 250 ms, 48 24X pulses received between CAM pulses, then the PCM received over eight 4X REF pulses between CAM pulses

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 6 - open circuit
Cause:
    Wiring open circuit, ignition coil/amplifier