Cat Acert Scangauge code deciphering

You have to call scangauge to get the codes. I've begged for a copy but they won't give me one. Just call with the code and they will tell you what it is.

Or better yet just read the flash codes with the cruise control. The flash codes and procedure to get them is readily available online

 

Ran a scangauge for years on a C13 and C15. It's, for the most part, useless for diagnostics on a CAT. There are a few codes available on the web if you search deep for them. Assuming you did that already, your issue is probably not one of the known codes. The scangauge is also really good at logging "ghost" codes that are imaginary for lack of a better term.

 

Cruise will only show active codes. You proabaly have some inactive showing on the scanguage

 

93 is 3 or 4 iva and will cause a derate. 95 is IVA oil pressure sensor voltage, no derate.

 

Doubt the IVAs are bad. I'd wager their wires are though. The connectors over time seep oil into the wires. And the wires also get brittle. I read somewhere that those two things generally happen way before an IVA actually goes bad. That said, it doesn't really matter cause you pretty much have to replace the whole IVA in any case.