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2013 XTS, 2003 Escalade
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41 Posts
Discussion Starter #1
Anybody know how to access them on the 05 STS with the Nav?
 

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Cadillac
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224 Posts
Bringing up an old thread that looks like it never got any reply.

I was able to get into the diag screen by holding the top center of the nav screen for 7 seconds after hitting the menu button on the main nav screen. I then put in code 9448. I was able to see codes, but have been searching the web for codes like

OC-2B or OC-75 or 04-71 but can not find anything
 

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1996 STS (181,000) Arnott Struts, 245/45/ZR18, 1" Drop -SOLD
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1,589 Posts
Interesting, but I was told that the OBD stopped after '03.
 

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Then they went to OBDII ? They have to have it. That is how we do state inspections. They plug into the ODB and start the test . I am going to pick up a code reader / reseter soon, I just didn't think I had to as the diag screen had codes and a way to reset them. ( it should for the money )
 

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Cadillac Technician
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Those codes are meaningless, probably some engineering stuff for the radio.

OBD-II was born in '95, full implementation in '96. That has nothing to do with DIC code retrieval, moreso to do with engine control diagnostics in general.

The on board stuff with the climate control head and DIC controls stopped in varying years depending on the car.
'05 and up STS has no such capability.
'06 and up DTS does not either.
CTS never had it, although I think I have heard some guys found something.

It is a thing of the past really. You need a code reader or a scan tool to accurately retrieve diagnostic codes.
 

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2014 XTS V-Sport Platinum, 14 Ram Longhorn
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228 Posts
I just went into my diagnostic screen and I have the following codes. Each code is followed by the date and the time it occured.

58-03
04-C1
04-78
04-90

I also ran the self check to test the internal diagnostics and it found the following code
80-3A

Anyone know what the codes mean? Also is the vehicle codes or codes just for the nav system?
 
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