Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 2 - short to ground
Cause:
    Wiring short to ground, ignition coil/ amplifier

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition Coil Group 2 Control Circuit Conditions
Cause:
    Key on, PCM power-up mode active, then the PCM detected an open circuit or a short to power in the IC circuit for CYL 2, 3, 5 and 8 (Coil Group 2), either condition met for less than 1 second

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil A - secondary circuit malfunction
Cause:
    Wiring, ignition coil

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition coil/amplifier, cylinder 2 - short to ground
Cause:
    Wiring short to ground, ignition coil/ amplifier