Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 8 - open circuit
Cause:
    Wiring open circuit, ignition coil/ amplifier

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    IC Module Ignition Ground Circuit
Cause:
    DTC P0560 not set, then the PCM detected that the ICM REF Low input was 1.48v or more, or the ICM REF Low input was -1.01v or less, condition met for 1 second

Jaguar
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil, cylinder 6 - early activation
Cause:
    Wiring, ignition coil, engine control relay, ECM