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Old 11-21-2007, 03:57 PM   #1
Festus
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92 C4 service ride control light on

Just bought the car, the "service ride control" light was on. I disconnected the negitive batt cable for a while so I could start clean. Then I went on a couple of short trips round town then a 300 mile trip thur the mountains in Arkansas. Next day I pulled the codes and all I had was the C12 code. I used an Actron code scanner from Autozone ($30) and then I used a paperclip to short A and B, then tried A and G and just had the --- on the dash readout.

any ideas?

P.S.
Although it's been bout 14 years since I done any code scanning I'm not new to it but this has me scraching my head.
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Old 11-21-2007, 05:54 PM   #2
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Believe it's "A" to "C" for FX3.
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Old 11-21-2007, 07:50 PM   #3
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Thanks for the reply.
According to this link it's A to G.
http://www.-------------------/c4vettes/codes.htm
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Old 11-21-2007, 08:19 PM   #4
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yep A to G.. you retrieve the codes and get it fixed?
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Old 11-21-2007, 08:29 PM   #5
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Just read another article on a website that says A to C on some models. Now I am cornfuzed! lol
Wonder if GM and MS are relayed? lol
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Old 11-21-2007, 08:37 PM   #6
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Quote:
Originally Posted by Festus View Post
Just read another article on a website that says A to C on some models. Now I am cornfuzed! lol
Wonder if GM and MS are relayed? lol
if it is a 94-95 it may have an OBD 2 connector which might be different

I was wrong I thought it was A &G as well..

I just double checked for my 90

on the ALDL:

jumper A and B for ECM Codes (SES flashes)
jumper A and C for Ride control (ride control light flashes)
Jumper A and G for the CCM codes (display on the LCD)
Jumper A and H for the ABS (service ABS will flash)

all have code 12 being okay
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Old 11-23-2007, 02:41 PM   #7
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ok, it's a 92 C4 (for those not clear on this)
it is A to C for ride control codes
I got a code 12 (base code) and codes 31 and 33

Questions:
What are the likely causes? Things to do first?

Does 31 and 33 refer to left side front and rear and 32 & 34 refer to right side front & rear?
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Old 11-23-2007, 03:05 PM   #8
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Quote:
Originally Posted by Festus View Post
ok, it's a 92 C4 (for those not clear on this)
it is A to C for ride control codes
I got a code 12 (base code) and codes 31 and 33

Questions:
What are the likely causes? Things to do first?

Does 31 and 33 refer to left side front and rear and 32 & 34 refer to right side front & rear?
31 & 33 refer to 31-left front out of position.
33-left rear out of position.

32 is right front & 34 is right rear.

A code 12 means the system is ready to be interrogated.

Go to this web site, sounds like you may have gear problems with the actuators.

http://captainzcnc.com/index.html

You will have to remove the covers (top) to check the gears. The site explains the procedure.
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Old 11-23-2007, 04:23 PM   #9
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Thanks viscount, that link helped a lot. Hope I don't have to use it. lol
Now a question:
In the articles I've read it says to clear the codes by grounding C 3 times @ 2 seconds each. Does that mean ground c to a with the key off or key on?
thx!
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Old 11-23-2007, 07:21 PM   #10
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Talking

Quote:
Originally Posted by Festus View Post
Thanks viscount, that link helped a lot. Hope I don't have to use it. lol
Now a question:
In the articles I've read it says to clear the codes by grounding C 3 times @ 2 seconds each. Does that mean ground c to a with the key off or key on?
thx!
Ignition shud be in the "run" position ....Maybe after grounding they won't come back? Woudn't that be great.
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