LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Code 11 MIL Lamp Failure

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Old Dec 14, 2009 | 01:39 PM
  #1  
2QUIK6's Avatar
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From: Ft. Worth, TX
Code 11 MIL Lamp Failure

The only info I find for this code indicates that the SES light is not working or burnt out....however, my SES is on and this is the only code that DataMaster is showing.
The light eventually went off and I was able to clear the code in DataMaster...it would not clear when the light was illuminated.

This is on the '95 PCM in the LT4 truck. Any ideas what else may cause this code?
Thanks
Old Dec 14, 2009 | 04:30 PM
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Could be the resistance of the circuit you now have is not within the parameters of what the computer wants to see.
Old Dec 14, 2009 | 09:58 PM
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Originally Posted by shoebox
Could be the resistance of the circuit you now have is not within the parameters of what the computer wants to see.
hmm, could be I suppose if thats is the only reason that code would be getting set....I was digging thru the mess of spliced wires under the dash tracking down why the TCC and Brake Switch flag were not getting set from the PCM over the w/e...bad connection in a wire splice due to cheap azz butt connectors used I suspect....probabyl something similar with the SES light..... Slowly soldering all of the hundreds of connections together over 5-6 years
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