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Does anyone know about this code (15) from my PCM? I can't find much about it on the internet.
Recently I changed from a 2G to a 3G alternator and I also attached a data logger to the PCM. Today was the first time I pulled the KOEO codes and I got a 10, 11, and 15c. The code means Power interruption to computer memory or PCM Keep Alive Memory (KAM) test failed.
I don't know what caused this, what it will affect, or what to do to fix it.