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

got an SES light

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Old Sep 29, 2001 | 11:19 AM
  #1  
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St. Jude Donor '05-'06-'07-'08-'09-'10
Default got an SES light

ok the SES light is never on when the car starts, but after a couple minutes of driving it comes on. If you shut the engine back down it will be off and again if u drive for a couple minutes its back on. I am thinking a loose connection, anyone have any idea what is could be?
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Old Sep 29, 2001 | 11:51 AM
  #2  
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Default Re: got an SES light (MBVette)

Jumper ALDL pins A&B and pull the code.
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Old Sep 29, 2001 | 12:08 PM
  #3  
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Default Re: got an SES light (65Z01)

I agree. Pull the code(s) first to narrow down where to look. One of my cars had SES light and the code indicated one of the O2 sensors was out of range so I changed it. No more light. But there are lots of faults that could trigger the SES light.

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Old Sep 29, 2001 | 10:06 PM
  #4  
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From: Haymarket VA
St. Jude Donor '05-'06-'07-'08-'09-'10
Default Re: got an SES light (MBVette)

ok I pulled the code and it is code 26. Now what do I do?
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Old Sep 30, 2001 | 12:45 AM
  #5  
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Default Re: got an SES light (MBVette) --me too

I am curious also. Mine just cam on for the first time the other day. Cleared after I shut it off, and has not come back. Can I still pull the code that set this two days ago?
:confused:
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Old Sep 30, 2001 | 11:46 AM
  #6  
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Default Re: got an SES light (MBVette)

Code 26 is a fault in the quad-driver module #1 circuit. When I get home tonight I will scan you the procedures from the manaul diagnostic chart. :crazy:
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Old Sep 30, 2001 | 03:45 PM
  #7  
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Default Re: got an SES light (Ramrod92)

The procedure calls for a tech1 scanner to check the EGR solenoid, the AIR solenoid, the electric switching valve solenoid, and the cannister purge solenoid. Do you have access to a scanner?
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Old Sep 30, 2001 | 07:41 PM
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Default Re: got an SES light (Mez)

I too have had a SES light it that's (service engine soon) light. I also do NOT have the owners manual, so I don't have a clue about codes or what I should really do? Could you help me out?
Thanks
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