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GM online service manual


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I used to get free access thru GM....not any more.

Have ESI on my hard drive. But it covers only up to 2010.

We now own a 2012 Equinox....having some navigation system problems ...I have not replaced the radio yet....no service manual here.

Anyway....been trying the online GM manual thru ACDelco. $20 for unlimited access for 3 days. Longer subscriptions available. 

Just having the up to date technical service bulletins is worth the cost alone. 


Same information system the dealers use.

I have several things to check before condemning the radio.



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Thanks for this @Logan

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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