Will a 91 Bonneville Pull it's own ODB Codes? + a DIC Quest - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-25-2007, 08:23 PM   #1
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Default Will a 91 Bonneville Pull it'* own ODB Codes? + a DIC Quest

Hi I'm Brand New Here.

My SSE 3800 v6 has its Service Engine Light lit,
This isnt much of an issue, as I can just hook up to a scanner, but I was wondering if These Cars (mines a 91) can Pull their own OBD codes? Maybe in that DIC deal there? I've got a 99 Chrysler 300M that, if necessary, can pull it'* own codes right in the digital odomoter. My Cadillac does the same I beleive. Old cars used to do the sequences of beeps.

Other Question. Car always tells me i've got however many brake lights out. I have none out. Is there a way to reset the DIC ?

THANK YOU, Gentleman,
Rob
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Old 11-25-2007, 08:32 PM   #2
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First off, welcome .

The codes, yes they can be extracted by shorting two terminals on the OBD1 connector located about in the middle of the fusebox cover. It'* terminal A and B, which is the top two terminals.. just take a small piece of wire or anything conductive and connect the two. Then switch the ignition on and the SES light will flash the codes... and it'll flash one, two ..... one, two, three for a code 23. Then you go here and then you know.

As far as the brake light indicator, that is normally due to corrosion on the bulb and socket. Remove all rear taillight/brake light/turnsignal/license plate light bulbs and thoroughly clean them for a good connection between the two. Otherwise I believe I remember there being a way to solder in a certain resistor and making the indicator go off... however it'* common for corrosion to cause the false bulb out indicator.
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Old 11-25-2007, 08:43 PM   #3
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Thank You for the welcome and thank you for the response, sir!
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