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Old Jan 20, 2012 | 01:26 PM
  #1  
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ggirten
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TC not engaging

My TC will not engage and my cruise will not set. I have been told they may be related. I have replaced the brake kick out switch on the master cylinder and the brake switch on the pedal. My speedometer works, but I haven't replaced the VSS. I put a breakout box on my ECU and check pin 54. It shows 12+ volts. So I spliced into the v/y wire and took a drive and ground that wire. Mt TC locks fine, so not a tranny problem. I had the tranny scanned by a tranny shop and he said it was electrical somewhere and not in the tranny. I am running out of ideas to try. Anyone have somewhere else to look?
 
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Old Jan 21, 2012 | 08:49 AM
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Are your brake lights working? Do you have LED brake lights?
 
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Old Jan 21, 2012 | 11:09 AM
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Yes, my brake lights work. No LED lights.
 
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Old Jan 21, 2012 | 02:27 PM
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Do ALL of your brake lights work? Including the one on top of the cab?
 
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Old Jan 21, 2012 | 05:17 PM
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Yes. Checked them all.
 
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Old Jan 21, 2012 | 09:37 PM
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You're going to need a high end scan tool that can look at the data the PCM is seeing. Something is telling it to unlock the converter.
 
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