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how to reset computer on 96 DeVille????

 
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Bob157

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Since: Aug 06, 2004
Posts: 7



(Msg. 1) Posted: Fri Nov 12, 2004 6:40 pm
Post subject: how to reset computer on 96 DeVille????
Archived from groups: alt>autos>cadillac>deville (more info?)

How do I reset the computer or drivers information center on a 96 Deville.
I really need some easy to understand help.
Thank you all

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putt

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Since: Nov 29, 2003
Posts: 363



(Msg. 2) Posted: Sat Nov 13, 2004 12:46 am
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

R U wanting to clear the trouble codes? I'm not clear about what you
mean 'reset the computer'?

If you do mean clearing the trouble codes: each system test will have a
'clear codes' option when you select the system test.

Is this of any help?

Dave S(Texas)

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Bob157

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Since: Aug 06, 2004
Posts: 7



(Msg. 3) Posted: Sat Nov 13, 2004 2:40 am
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
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I got a bad load of gas and it has been saying service engine soon. I have
since put in better fuel and the service engine light won't go off. I would
like to clear it without disconnecting the battery. I don't know how to do
it.


wrote in message

R U wanting to clear the trouble codes? I'm not clear about what you
mean 'reset the computer'?

If you do mean clearing the trouble codes: each system test will have a
'clear codes' option when you select the system test.

Is this of any help?

Dave S(Texas)
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putt

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Since: Nov 29, 2003
Posts: 363



(Msg. 4) Posted: Sat Nov 13, 2004 1:58 pm
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
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 >would like to clear it without
 > disconnecting the battery.

OK, I understand what you want now. I would look for PCM(power-train
control module) trouble codes, write them down, and then clear them.
Probably you are getting an EGR problem code(4Cool.....Clearing the PCM
codes should kill the SES telltale light.

Hope this helps.

Dave S(Texas)
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barrett_dylla

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Since: Nov 15, 2004
Posts: 3



(Msg. 5) Posted: Mon Nov 15, 2004 8:40 pm
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
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Dave S,

When you say "SES telltale light", are you implying that this message is a
"boy cried wolf" type of message - in my case, it came on yesterday
morning, I cleared the PCM codes (PCM1139)
and it hasn't shown up since in over 20 miles of driving. Should I be
concerned about this. I had the EGR valve replaced about two years ago.

Thanks
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putt

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Since: Nov 29, 2003
Posts: 363



(Msg. 6) Posted: Tue Nov 16, 2004 10:43 pm
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
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 >I cleared the PCM codes (PCM1139)

P1139=Heated Oxygen Sensor>insufficient switching bank1 sensor 2

Whether or not your SES light is a 'cry wolf' I can't tell you. I'm not
that conversant with the OBDII protocols. When the SES on my car has
illuminated, I've always had an EGR code. Although I took it off (EGR
valve) and cleaned it, I continue to see the SES on occasions and still
have the same code set as an 'intermitant'. The lamp goes off at the
next key-start, so I've since quit worrying about it.

In your case with the 1139 code, although it says 'sensor', I'd first be
looking at the circuit itself before blaming the sensor.

This probably doesn't help much, but maybe you can find a clue.......

Dave S(Texas)
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barrett_dylla

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Since: Nov 15, 2004
Posts: 3



(Msg. 7) Posted: Wed Nov 17, 2004 5:12 am
Post subject: Re: how to reset computer on 96 DeVille???? [Login to view extended thread Info.]
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Thanks Dave for the reply.

I haven't seen the SES light in the last 40 miles of driving now, so I
think I had a temporary condition. i filled the tank, and made sure the
gas cap was on tight. Might have been some bad gasoline or a loose gas
cap. I'm not concerned with it now.
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