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

ses is on steady, no code 12

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Old Sep 27, 2004 | 09:13 PM
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b23ft
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Default ses is on steady, no code 12

my 86 c4 has a stedy ses lamp , I can not get the ecm into diag mode
no code 12, the lamp wont even flicker when grnding the diag term,
also the instant mpg goes away, once in awhile the ses lamp will go off
the instant mpg comes back and its like a bat out of you know what!!!
is it time for a new ecm?
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Old Sep 27, 2004 | 09:29 PM
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AGENT 86
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Sent you a PM with a link to some good info
Cheers
And welcome to the forum fellow 86er
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Old Sep 27, 2004 | 11:38 PM
  #3  
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AGENT 86
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Try this .........http://members.shaw.ca/corvette86/SE...n%20Steady.pdf

Last edited by AGENT 86; Sep 28, 2004 at 09:37 AM.
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