Pull the GM Diagnostic OBD CODES .. how ?

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Pull the GM Diagnostic OBD CODES .. how ? - 1/25/2008 10:18:41 AM    Stealth Posts: 2968 Joined: 2/18/2007 Status: offline   When your Caddy has problems, WE NEED THE CODES. PLEASE PULL THE CODES ! GM uses  OBD-1, OBD-II, OBD-III Codes Ohh, you dont know how to do it? Here are a couple of help threads: this 1st one is very detailed .. http://www.cadillacforum.com/m_11904/tm.htm these have additional info and links http://www.cadillacforum.com/m_12932/tm.htm http://www.cadillacforum.com/m_15478/tm.htm hhttp://www.cadillacforum.com/m_17425/tm.htm _____________________________ Simply CLICK on the Allante banner here to JUMP to our Allante section. Post #: 1

RE: Pull the GM Diagnostic OBD CODES .. how ? - 6/21/2008 9:10:41 AM    lferrebee   Posts: 6 Joined: 8/2/2007 Status: offline how do i go about resetting my obd systems I had some old codes and trying to make sure the ones i have at the momment is new and need to know how to fix them .  PO171 & PO174 both are too lean codes, PO300 ramdon misfire but it not, PO603 memory error, P1632 THEFT SYETEM FUEL, AND last is the TCC PO741 stuck off     _____________________________ thank you (in reply to Stealth) Post #: 2

RE: Pull the GM Diagnostic OBD CODES .. how ? - 6/21/2008 9:15:26 AM    lferrebee   Posts: 6 Joined: 8/2/2007 Status: offline forget to tell you the year is 1996 deville  (in reply to lferrebee) Post #: 3

RE: Pull the GM Diagnostic OBD CODES .. how ? - 6/21/2008 10:50:05 AM    G.A.R.Y. Posts: 1627 Joined: 2/18/2007 Status: offline Disconnect the battery for a few minutes. or try this PRESS:   OFF & WARM (red button)   together - the D.I.C. will light up the instrument cluster like a Christmas tree - the D.I.C. will start diagnostics, as soon as it starts displaying .. PRESS: LO - until   " ECM "  comes up PRESS: HI - until   " CLEAR CODES ? "   comes up PRESS: HI - press only once - response will be in a few seconds:  CODES CLEARED you are done ... PRESS RESET and you are back to normal < Message edited by G.A.R.Y. -- 6/21/2008 11:01:47 AM > _____________________________ occ z06 93 allantesold sts maybe in December (in reply to lferrebee) Post #: 4

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