ran all my rpo codes through a decoder, and got some that weren't found, and some that confuse the hell out of me here they are

the ones that make me go
e5z- speedo adapter deluxe........140 speedo it has?
e6n- country abu dhabi.......uhm what!?
e92- door dynamic side impact delete......hmmmm
NAS- emmissions systen tier 0- uhhh standard emissions?
T93- lamp tail& stop/ special
uv7- radio am/fm stereo, seek, auto rev cass, search, multi cd, etr fadr....i'm not even gonna pretend to know what all that means
V79- export vehicle commercial classification
V73- vehice usa/canada
yt1- fleet program fall/winter/spring (b/c/d/f/g/h/j/k/m/ns/u/v/w/z-trkckcjmpst............yeah totally
YT9- fleet program exposure initiative
1a2- order modification #s sold.......this means?
11l- secondary ext color dk willow sage.....uhhh its silver
11u- primary ext color pewter met......uhhh its white, not sure which one but white
16p- wheel color bright white.....there stock z28 wheels, silver painted
8nn- component, RR LH computer SES susp (8nn)
9nn- component RR RH computer SES susp (9nn)

uhhh yepp now for the ones it didn't know

l69- even i know this is the 305 HO
md8- no idea
mxo- hmmm
aod- anyone?
n33- blah blah blah
qyz- yepp out of ways to say idk
y06- sounds important
17N-
179-
62x-
72x-


any help would be greatly appreciated i know one of the mods on this board is crazy good with rpos and knowing what they mean

thnx guys

 

Uhhhh don't use off site decoders. RPO codes change from time to time, and unless you're using a decoder with definitions from the year your car was produced they probably aren't going to apply. MANY of those RPO codes are standard thirdgen codes, it's just that the decoder you used is ****.

I'm not going to decode all those RPOs for you. Start here https://www.thirdgen.org/rpodecoder and then use the search feature to find definitions for any the decoder doesn't find.

E5Z is one of the codes for the speedometer system, don't worry about it, it only applies when ordering replacement parts to fix the speedometer.
T93 applies to the tail lights, without digging too much it probably means they're the black stripe Z28 lenses instead of the blank SC or gold Berlinetta tails.
UV7 is your stereo. Probably UU7.
11U / 11L are the upper and lower colors, the break is the middle of the door, so white cars would be 11U and 11L.
16P could be a wheel color code, but the definition has probably changed since 1984.
8NN & 9NN are the rear spring codes.
MD8 & MX0 both signify the 700R4 transmission.
QYZ is a tire code 215/65R15
17N is the interior code, dark charcoal vinyl.
62X & 72X sound like front spring codes, probably 6ZX and 7ZX.

Also keep in mind 1984 was the first year for the SPID. After a few years they stopped putting so many codes for unimportant things on the SPID. Early cars have a lot of codes for things that most people are never going to care about.

 

Even the TGO decoder kicks back a lot of unknown or not found codes.

Remember that there are a lot of codes for deleted stuff (my car has three codes denoting that it did not get cruise control).

There are codes for spring rates which have never been categorized by anyone.

There are several codes depending on what speedo gear you got.

Run them through the TGO decoder and Google anything it kicks back, that should give you a good idea of what it had then (not what it has now).

 

Really?

https://www.thirdgen.org/forums/hist...ing-codes.html

I would tend to think that the charts I posted should clarify any and all questions about the factory spring codes and how they stack up to other OEM springs.

 

I stand corrected.

I'd be looking at saving that data. I believe Compnine is shutting down.

 

thanks guys, didn;t know the site had a decoder o_0 i feel really dumb now haha, anyways still no idea what the fleet initiative program was, or wtf the abu dhabi code means

 

I've got it saved for personal use, and technically it's right out of the GM parts computer database. Scans of those pages have been posted on the forum before, but it's been a few years. No one seems too interested in the OEM springs, that thread didn't even warrant a single reply.

Don't feel bad, most people miss the home page. Worse yet back in the day, Thirdgen.org hosted an accurate VIN decoder, and an online RPO decoder that didn't require downloads. In a lot of ways the old site was better for decoding a car and learning about your car.

E6N - SPEEDOMETER KEY DELETE <<< Found that searching the E6N code on this forum.

Double check your handwriting and make sure the letters/numbers are correct. If they still don't come up, just search the three digit code in this forum and you'll probably find someone who's run into it before. If the definition doesn't even come close, it's safe to assume the definition changed after your car was built.

 

yeah some stuff was goofed lol, found just about all of em, still a few that are ??? though probly not important stuff, andits not like i'm gonna be restoring a show car, just trying for a nice, subtly modded dd

oh and what was the fleet initiative program, and another code came up "SEO Vehicle Public Service" what does that mean?