Check engine light

Tiny
BADBOYMARCUS
  • MEMBER
  • 1995 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 125,000 MILES
I have a check engine light on. Need to know what connector it uses. To see whats wrong. But I was told they dont have one for a 95. How can I clear it.
Thursday, September 22nd, 2011 AT 9:34 PM

4 Replies

Tiny
PROMECHANIC
  • MECHANIC
  • 536 POSTS
It's true there is not a connector for your car. This is how you check the codes:

Enter diagnostic mode by pressing off and warmer buttons on instrument panel.
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Thursday, September 22nd, 2011 AT 9:50 PM
Tiny
BADBOYMARCUS
  • MEMBER
  • 71 POSTS
Thanks.I did what you said in the question. What do these codes mean. Po30, po52, io39, io52
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Friday, September 23rd, 2011 AT 12:52 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
P030 ISC rpm out of range, will turn on check engine light. P052 PCM keep alive memory reset, will not turn on, and can be set by battery disconnect/discharge.
I039 Speed Sensitive Steering Signal Fault, no check engine light, possibly a service SSS message. I052, keep alive memory reset, same as P052.
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Friday, September 23rd, 2011 AT 1:57 AM
Tiny
BADBOYMARCUS
  • MEMBER
  • 71 POSTS
What is po30 rpm out of range. How can I clear these codes. What is speed sensitive signal fault. Alive memory reset what battery connector do I disconnect and how long.
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Saturday, September 24th, 2011 AT 12:01 AM

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