GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Ignition Coil Control 2 & 3 Circuit High Input Conditions
Cause:
    Engine cranking or running, then the PCM detected an open circuit, short-to-ground or short to power on circuit 406 (IC 2 and IC 3)

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