Hey everyone, new to the forum and I have a question about an axys we have in our fleet. It's a '16 hold over with less than 200 miles on it. Sled has run flawlessly until this point.
What happens is when we power up the ecm with aux power plug, or digital wrench through diagnostic port, the fuel pump runs. We're also trying to tune the sled and it won't take a tune from the bully dog, let alone communicate with the ecm. We've swapped ecm's with no luck. We did find two pins pulled out of the exam plug, but that didn't make a difference. We can't figure out why the fuel pump is getting power from the diagnostic port when the sled is off. Any advice is appreciated.
Thanks for the help!
What happens is when we power up the ecm with aux power plug, or digital wrench through diagnostic port, the fuel pump runs. We're also trying to tune the sled and it won't take a tune from the bully dog, let alone communicate with the ecm. We've swapped ecm's with no luck. We did find two pins pulled out of the exam plug, but that didn't make a difference. We can't figure out why the fuel pump is getting power from the diagnostic port when the sled is off. Any advice is appreciated.
Thanks for the help!
