It stands for Dash Integration Module
i am trying to find out the codes for a 1991 cadillac deville
General Motors (GM)
That's easy! Blue Jay's GM, Stand Pat Gillick
Reading the codes in a GM is possible without a scantool only through the 1995 model year.
It is 45 since I think gm and g stand for grams.
It stands for gigameter
Girls' Medium
Don't know what the letters stand for, but I found that suffix here: http://www.nastyz28.com/gm-chevy-codes/chevy-engine-codes-suffix-6.php It shows on the chart what that engine was originally used for.
Mountain GM Henry Because its there
The Pontiac Grand Prix goes by the GM Factory Wire Harness Color Codes. http://www.installdr.com/harnesses/GM-Wiring.pdf
General Motors
camshaft/crankshaft position corellation fault