I've been doing some digging myself looking for this code, no luck yet here either. If you guys find it, pass it on to me please.
I don't see it being the ignition module though, as the ignition is a stand-alone system and is only connected to the ECU by the tach feed.
My oil line fix
My 100k stopped odometer fix
Brace for impact, I'm in a "modifying mood". Massive thread count inbound.