Attempting to tune a 1228747 PCM using Moates APU1. I installed the G2 adapter and get a dim, fast flashing CEL and my datastream isn't showing correctly. The truck does start and run. I used the bin, XDF and ADX files from this site. I then pulled the stock bin from the AUMU chip and uploaded that bin but no difference.

I don't know if I messed something up when installing the G2. I got another 8747 PCM and I am going to try it again.

I did some reading that the 7747 has this problem and requires the socket booster to fix this issue. Does the 8747 suffer from this also?

I'm worried that I'm going to try this new ECM and the CEL still blink.

Thanks for any help.

J