C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Pulling codes

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Old Dec 3, 2003 | 05:25 PM
  #21  
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Default Re: Pulling codes (Ramrod92)

connect pin A to C on the ALDL and turn the key to the run postion(do not start). This should display the SRC codes in the speedo area. Report back. :crazy:
The service ride control light is the one that will be flashing. It doesn't show on the gauge cluster.

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Old Dec 3, 2003 | 05:26 PM
  #22  
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Default Re: Pulling codes (Ramrod92)

Oops, my bad. Connect pins A and C, turn key to on(not start) and watch the SRC light flash. It should flash once, then twice three times, then any other codes will flash three times.
Lights flashed but no codes. :crazy:
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Old Dec 3, 2003 | 05:29 PM
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Default Re: Pulling codes (Lord Odin)

Take this to them http://www.corvetteforum.net/c4/dave8476/index4.shtml
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Old Dec 3, 2003 | 05:32 PM
  #24  
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Default Re: Pulling codes (Ramrod92)

Yeah, that's what I'm talking about. Some of the numbers and writing on those images aren't too clear; even when zooming in in Photoshop. I was wondering if there was a better scan or a page where it was in a manual or something.
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Old Dec 3, 2003 | 05:33 PM
  #25  
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Default Re: Pulling codes (Lord Odin)

Lights flashed but no codes. :crazy:
Lights flashing are the codes.

You'll have a pulse and a pause, and then two pulses close together, that equals a 12. Saying you are entering diagnostics. It will do it three times.

Then count the next pulses. When it goes back to 12, it's out of codes.


[Modified by Jeffvette, 2:34 PM 12/3/2003]
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Old Dec 3, 2003 | 05:34 PM
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Default Re: Pulling codes (Lord Odin)

You have too count the flashes of the SRC light. It should flash once, then a short pause, then twice, then a slightly longer pause. It should repeat the twice more. This would be code twelve. It signals the start of the code sequqnce. Any other codes stored will flash in the same manuer three times. Possible SRC codes are 12,13,14,21,22,23,31,32,33,34,41,42, and 43.
:steering:
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Old Dec 3, 2003 | 05:43 PM
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Default Re: Pulling codes (Ramrod92)

Alrighty, this is the sequence it pulled (three times for each number): 12, 23, 32.

Does the 12 signify anything or is it just to let you know of the start of the sequence?
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Old Dec 3, 2003 | 05:48 PM
  #28  
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Default Re: Pulling codes (Lord Odin)

12 is the start fo the sequence as well as the end.

23 And there is no such code on the SRC
32 Right front out of position
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Old Dec 3, 2003 | 05:59 PM
  #29  
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Default Re: Pulling codes (Jeffvette)

12 is the start fo the sequence as well as the end.

23 And there is no such code on the SRC
32 Right front out of position
I don't know what it means but 23 definitely showed up. I double checked the list it went through.

Looks like me and lbitp37 in the C4GD are having the same problems with our front rights. :smash:
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Old Dec 3, 2003 | 06:05 PM
  #30  
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Default Re: Pulling codes (Lord Odin)

I don't know what it means but 23 definitely showed up. I double checked the list it went through.

Looks like me and lbitp37 in the C4GD are having the same problems with our front rights. :smash:
Trust me, in SRC code 23 does not exist.

Pull your right front actuator off. Slowly twist the gear on top of the shock. If it spins freely, the shock is bad, if not it's the actuator. For an easy test of the actuator, swap the two fronts. If the code follows sides, you know it's the actuator. Easy double check.
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Old Dec 3, 2003 | 06:12 PM
  #31  
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Default Re: Pulling codes (Jeffvette)

Yep, definitely the actuator. I know the shocks are good, I just replaced them about 2 yrs ago. I took a glance at the actuator and could see it was broken inside.

Looks like I'm gonna have to get a new one. Those puppies ain't cheap either! :cry

Thanx for the help everyone! :cheers:
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Old Dec 3, 2003 | 06:15 PM
  #32  
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Default Re: Pulling codes (Lord Odin)

Check ebay, or post a WTB on the parts page. You should be able to find one for 100 or so.
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Old Dec 3, 2003 | 06:18 PM
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Default Re: Pulling codes (Jeffvette)

Jeff, Code 23 is loss of vehicle speed signal.
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Old Dec 3, 2003 | 06:26 PM
  #34  
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Default Re: Pulling codes (Ramrod92)

Jeff, Code 23 is loss of vehicle speed signal.
So what does that mean exactly? :confused:
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Old Dec 3, 2003 | 06:45 PM
  #35  
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Default Re: Pulling codes (Ramrod92)

Jeff, Code 23 is loss of vehicle speed signal.
Typically that does not come up. It will disappear after the car is driven. it sets if the ignition key has been turned over 3 times and the car has not moved.

I should have corrected myself. 23 is not a shock related error.
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Old Dec 3, 2003 | 06:49 PM
  #36  
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Default Re: Pulling codes (Lord Odin)

"Code 23 will set if the ignition switch is cycled on/off three times without driving the vehicle. The SRC indicator will turn off once the vehicle has been driven if the system is ok, but the code will remain as a history code and should be cleared to avoid future misdiagnosis." other possible causes for this code are an open CKT 400 (yel wire) or CKT401 (ppl wire), or a faulty SRC module. Since you have determined that the right front actuator is malfunctioning, you should replace it and clear the SRC codes, then drive it. :steering:
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