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Cruise Control Will NOT Engage

Old May 15, 2019 | 12:06 PM
  #11  
hperrenot's Avatar
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From: New Braunfels TX
Originally Posted by whopper
Disconnect the NEGATIVE battery post for 15 - 30 minutes, then reconnect it. Do NOT close the hatch else it will be a pain to get it open again - just throw a towel over the latch to keep it from closing and locking.
Both Terminals were disconnected for two days when I pulled the whole Interrior our to shampoo the carpet.
(These functions did not work prior to disassembling the car for cleaning)
Old May 15, 2019 | 01:58 PM
  #12  
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Originally Posted by hperrenot
I have. Only code shown is for intermittent coolant below tempature. but the check engine light isn’t ON
FYI. Some OBD codes can render the cruise control inoperative. You may want to pull the codes again, clear them and then see if the cruise will work. You'll have to try the cruise right after clearing so the problem code doesn't come back.
Old May 15, 2019 | 02:57 PM
  #13  
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Originally Posted by firemangeorge
FYI. Some OBD codes can render the cruise control inoperative. You may want to pull the codes again, clear them and then see if the cruise will work. You'll have to try the cruise right after clearing so the problem code doesn't come back.
Yes. Some pending codes do not throw a CEL. Failed cruise control is sometimes an indication of an ODB code that hasn't triggered a CEL. I had this happen on my old Trailblazer once.
Old May 15, 2019 | 03:22 PM
  #14  
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If you pull the carpet? There’s ground wires in that area under the dash and console
Old May 15, 2019 | 03:40 PM
  #15  
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P0128 means your t-stat needs replacing.
Old May 15, 2019 | 06:08 PM
  #16  
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Originally Posted by Oldblue
If you pull the carpet? There’s ground wires in that area under the dash and console
As stated, the carpet was pulled after the cruise began to not work. The cruise was not a functioning item at the time of pulling the carpet out.
Old May 15, 2019 | 06:09 PM
  #17  
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Thank you
Old May 15, 2019 | 08:39 PM
  #18  
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Originally Posted by hperrenot
Both are functioning and making contact as they should. As stated in original posting.
Actually, that's not what the original post said. It implied that you are assuming the 1 clutch switch is good, because it starts.

Have you actually tested all 4 switches that are on the pedals?
Old May 15, 2019 | 09:33 PM
  #19  
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Originally Posted by donbrew
P0128 means your t-stat needs replacing.
.... and will disable the cruise control at the same time.
Old May 15, 2019 | 09:34 PM
  #20  
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As firemangeorge often points out; on a standard you must step on the brakes at least once after the engine is started to use the CC. In the off chance you happen to park in a way that it is possible to never use the brakes before trying the CC.

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