Question about 2000 GMC Safari

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Tow - haul

Tow-haul indicator not coming on, switch seems be working, any suggestions

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  • GMC Master
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It requires a special scanner to read the system and see what is wrong.

Posted on Mar 26, 2014

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Posted on Jan 02, 2017

SOURCE: 02 gmc allison tran. wont go into tow-haul mode

THERE HAVE BEEN ALOT OF PLOBLEMS WITH THE SHIFTER HANDLE/SWITCH. THE BEST WAY TO VERIFY CONCERN IS USE A DIAG. SCANNER & VIEW TRANSMISSION DATA DISPLAY WHILE ENGINE RUNNING. THE SWITCH IN THE SHIFTER IS FAULTY. IF YOU SEE NO INPUT CHANGE WHILE DEPRESSING SWITCH THIS IS YOUR CONCERN.

Posted on Nov 08, 2008

  • 2 Answers

SOURCE: tow haul light on sierra 2002 wont come on

I'v heard that the tilt wheel causes the wire to break. Most likely the wire has been broken. Somewhat easy fix.

Posted on Jul 05, 2009

  • 91 Answers

SOURCE: tow/haul light wont turn off

I have found that on three silverado's there is a plastic clamp on the bottom side of steering column where the wires become broken and can short out. You have to remove the column covers to see this, it should be claser to the lowe dash trim panel area needs a shifter to repair unless you can fix that little wire!

Posted on Apr 27, 2009

  • 1 Answer

SOURCE: tow haul button does not engage

A wire is broken inside the steering column. Remove the shrouding around the gear shift lever. You will find an orange wire that is cut from the wire being pinched when the gear shift lever was dropped into low gear at some point. Splice the wire (they are very thin) an you should be good to go.

Posted on Oct 04, 2009

  • 468 Answers

SOURCE: my autoride suspension on 2001 surburban only

The autoride is likely coupled with the tow/haul function. When towing, you want firmer suspension, tighter cornering, less sway, along with the firmer transmission shift and different shift points. This helps keep you from tipping the vehicle when you have a high load because the suspension swayed too far. The vehicle is supposed to be a luxury vehicle, so this changing characteristic allows it to ride smoother and softer when you don't need the trucklike suspension.

Posted on Nov 29, 2009

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1 Answer

What would cause my TAHOE TOW/HAUL mode to engage on its own?


You need to have a diagnostic scan tool hooked up ,glitch in one of the control modules or a wire in the circuit shorting to ground ! probably something simple but hard to find ! With a factory scan tool they can check the input signal to the BCM ,PCM .
Tow/Haul mode enables the operator to achieve enhanced shift performance when towing or hauling a load. When tow/haul mode is selected, the tow/haul switch input signal to the body control module (BCM) is momentarily toggled to zero volts. This signals the powertrain control module (PCM) or transmission control module (TCM) to extend the length of time between upshifts and increase transmission line pressure. Cycling the tow/haul switch again, or cycling the ignition switch disables tow/haul mode and returns the transmission to a normal shift pattern.

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MY 2000 YUKON XL ONLY HAS ONE WORKING CIG LIGHTER AND THE TOW HAUL IS STUCK ON


Check fuses for cig lighter, and replace a switch for towing

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Tow haul mode


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TOW/HAUL Indicator Light jeep cherokee 2005


Th e tow haul button is so if your towing a heavy trailer its easier on the tranny when you hit the button you generally dont need to use it for everyday regular driving.

Apr 15, 2013 | 2005 Jeep Grand Cherokee

1 Answer

I have a 2004 tahoe and this light came on i don't


That is the Tow/Haul indicator. Button on the end of shift selector was most likely depressed during shift or possibly a malfunction with the tow/haul mode selection system. (IE: Tow/Haul button)

Jan 14, 2013 | Cars & Trucks

1 Answer

Dodge cummins tow haul stays on


Hi, I have a 2004 Dodge Ram 2500, 5.9 Cummins with 225,000 miles. Just today, my Haul/Tow keeps coming on and Trans/Temp light. Keeps automatically switching in and out on its own. It's been 100,000 miles since my last trans maintenance. Going to a mechanic close and he suggested to start with fluid change, filter change, and inspect the band, maybe adjust. Trans runs very smoothly. Checked the fluid, looks clean and not hot. Is this common with this year and mileage? If so, whats normally the out come? If the band is bad, do I have to replace the entire trans?


Scott

Oct 29, 2011 | 2004 Dodge Ram 2500

1 Answer

My 2002 chevy silverado tow haul mode is now working. The light doesn't come on and the overdrive stays on


You either have a bad switch or the wires have lost contact.
The tow/haul switch is part of the shift lever and is not replaceable without changing the shift lever. The electrical connector is located inside the steering column covers. These wires have been known to part.

Jul 05, 2010 | Cars & Trucks

2 Answers

Transmission tow/haul mode


Hi, the problem is when you are tilting the steering wheel all the way up it's putting to much tenstion on the wires that come outof your shifter that run to the tow/haul button. i am 99% sure your wires are disconected. rewire them and add some extra wire so next time there will be more slack in your wires.

Jul 20, 2008 | 2001 Chevrolet Silverado 2500HD

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