Ford
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Ignition Coil 'H' or 8 Primary/Secondary Circuit Conditions
Cause:
    Engine running, then the PCM did not receive a valid IDM signal from the ignition module The PCM was able to identify that Coil 'H' failed

Generic
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Ignition Coil "H" Primary/Secondary Circuit