02 Sierra tow button and questions about shifing

Discussion in 'GM Powertrain' started by theflatlander, Jan 24, 2014.

  1. theflatlander

    theflatlander New Member

    Just bought a 02 Sierra with 61000 on it and I noticed when hitting the tow button I am not seeing any lights and nothing is shifting different. I am guessing its a bad swtich?

    The truck is in great shape and has a great maintaince record but i did notice today when I had it in neutral to me it seems loud shifting into drive or reverse from neutral is that normal?
  2. BMWsteve

    BMWsteve New Member

    It is common for the wire to break under the column cover. I had to open the steering column and repair the wire on my 04 2500. It is due to how the wire is secured inside the cover verses the movement from shifting. Its not really a hard fix just time consuming.
    If your truck seems noisey when putting it in gear have your universal joints checked.:glasses:
  3. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

    Same thing happened on my 03 Chevy (it wouldnt want to come out of tow/haul mode)...i spliced the tiny (orange) wire back together and never had a issue again

    99'HEARTBEAT MODERATOR Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    Here's s a Picture of the Orange Wire that BMWsteve and ChevyBoy2009 mentioned and expressed that is causing the Problem with your Tow Haul not working.

  5. theflatlander

    theflatlander New Member

    Thanks guys. At least it isnt stuck on like some of you guys experienced. that would really suck lol. I just ended up ordering a new shift lever instead of splicing.
  6. dave13net

    dave13net Rockstar

    hey, 04 sierra my light worked a couple times now no light. how can i tell if it's in tow mode or not?

    99'HEARTBEAT MODERATOR Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    If your Tow/Haul Light is not coming when you press the Button, the problem is most likely what has been mentioned above "Broken Wire".......and how you'll be able to tell is the Tow/Haul Mode Adjusts the Transmission Shift Pattern to Reduce Shift Cycling, providing Increased Performance, Vehicle Control, and Transmission Cooling when Towing or Hauling Heavy loads.....with the T/H on your Transmission's Shifts will be Longer and Firmer..
    Last edited: Jan 24, 2014
  8. dave13net

    dave13net Rockstar

    ok, thanks

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