Question about 2003 GMC Sierra 2500HD

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I lost my 4 wheel dr ability at the control center. I can no longer select 2 wheel or 4 wheel. The indicator lights do not get give me an option and I get a warning from the (dic) that says 4wd service along with stability sys off.

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  • ahayes1 Dec 21, 2008

    I am having the same problem. It was mostly intermittent and only happened when weather turns very cold. It happened a few times last winter and I never had an issue again until this winter. Now it has been out of commission for a few days which is unlike last year. There are 4 technical service bullitens on the NHTS website, but unfortunately it does not give much information.

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Well, just got back from the dealership, $762.00 later the problem is supposedly fixed. We'll see. They replaced the actuator ($550.00 part only) They also said by replacing this there is the potential to short out the brain box that controls the 4wd system. I have a 2005 Yukon and this problem first occurred around 38K miles last winter. When I took it in then since it was intermittent they could not identify exactly what it was. This time it had been inop for 3-4 days. I went to the dealer this morning and pulled in the service drive and shut the veh off, I could not get it in until 1pm so I left and ran some errands. Well low and behold when I started it to leave the service drive it was working. After making several stops it was on and off every other time I started it. Oh an by the way it is not covered by the 100k powetrain warranty since it is an "electrical problem." BS in my book. When I left the dealership I asked the service advisor if this one would be good for another 38k miles, he said Yes, well i should f-ing hope so. My 99' yukon had the same type 4wd system and it last more than 158k and never had an issue with the 4wd. I guess factory workers get 35 bucks an hour, for a job a trained monkey could do, but there parts are sh-t. No bail out for GM in my book, with this kind a **** the deserve to go bankrupt. As you can tell I am highly upset about it. In researching this I have found numerous complaints for the same issue and there are several TSB's from GM regarding the issue, but no recall, just bend over and take it.

Posted on Dec 22, 2008

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My four wheel drive lights are not on,that are the left side of my dash and service fwd light is on,but everything else works fine.other than my fwd will not work

Posted on Jul 27, 2009

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1 Answer

Why does my 4 wheel drive not work all the time?


Elaine,

not work, do tell what makes you think it dont work (a lamp) or tires slipping or dead tires. (by tires mean that and traction)??????????

what mode fails, of the many, and where.???????



first off, we dont know what your tires are touching.

on road, or off road. pavement or ICE or snow.

that matters big time . (you read manual and match MODE to Road)

your lost operators guide explains all that, right?

eg: how and when to use, 4wd, its all there. I promise.

ControlTrac 4-wheel-drive system



here are the mode. which one , gives you problems.



quote ford with comments.



What are the modes, and how do they differ?

(note this is the operational behavior of a 2008 Ford Expedition. Newer and older Expeditions will vary only slightly)



2H 2-wheel-drive with high range gearing (1.00:1) Rear-wheel-drive capability,

2-wheel electronic traction control system is enabled



4A 4-wheel-drive Auto with high range gearing (1.00:1) Full-time all-wheel-drive capability, ((best on pavement or any time)

Electronically adjusted torque split to front & rear wheels, Electronically variable center differential,

Front driveshaft & rear primary driveshaft allowed rotational speed difference,

4-wheel electronic traction control system is enabled



4H 4-wheel-drive with high range gearing (1.00:1) Part-time 4-wheel-drive capability, (not for dry pavement EVER)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled



4L 4-wheel-drive with low range gearing (2.64:1) Part-time 4-wheel-drive capability, (off road usage, mostly)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled, ESC and RSC are disabled



In 4A mode the center differential is electronically-controlled and rear drive wheel bias. The on-board computer monitors for any sign of rear drive wheel slip (loss of traction)

If loss of traction is detected, the center differential is told to send a share of the engine\'s torque to the front drive wheels. It will not let the front driveshaft turn at the same speed as the rear driveshaft.



What about traction management?

1997-2002 model Ford Expeditions offered an optional limited-slip rear differential (LSD). A conventional open rear differential was standard along with the conventional open front differential and the electronic locking center differential.

comment with out LSD, one tire can spin, on say ice.

but the other 3 tires dont, in full time.

Jul 04, 2014 | 2003 Ford Expedition

1 Answer

I have a Suzuki 2L diesel 2004 Grand Vitara and recently the 4x4 does not disengage even though i have put the lever back down to 2. Eventually after a few hundred metres it disengages back to 2 wheel...


hello and greetings. you did not say what driveline options
were purchase when car was new. so, can not answer.
but if car is PT 4wd, I can. if not get it fixed, by any 4wd shop.

the car is full time 4wd or AWD ?
PT:
the Part time 4wd must not be driving on dry pavement.
so drive to dirt or grass or ice and then shift back to 2wd

there is a TSB from Suzuki on wind up.

exceptions?
sure , the 2004 options statement here. and the rules for PT 4wd.
http://www.fixkick.com/part-time-test.html

Suzuki Grand Vitara/Escudo -full-time 4WD using limited-slip center differential, off-road 4WD with selectable center differential lock and low range transfer case 4 mode (4h, 4h lock, 4l n), traction control and electronic stability control
Suzuki offered as an option AWD for Grand Vitara's in 2004 (XL7 too) Some Suzuki AWD you can not use lock on dry pavement, so read the operators guide carefully.

suzuki sells the operators guide if lost,
$4 day pass
$25 for full pdf.

https://suzukipitstopplus.com/Products/1042-2004-grand-vitara-owners-manual.aspx


Mar 01, 2014 | Suzuki Cars & Trucks

1 Answer

Is all wheel dr like 4 wheel dr


All Wheel drive, you have all four wheels working at once. Where four wheel drive you can turn off to 2 wheel drive.

Jan 17, 2013 | 2008 Toyota RAV4

1 Answer

2001 Nissan PAthfinder 4-wheel drive malfunctioning'


Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Legend of Abbreviations. ABS Antilock brake system.TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module

Oct 11, 2012 | 2001 Nissan Pathfinder

1 Answer

How to put in four wheel drive


FOUR-WHEEL DRIVE SYSTEM

(a) Four-wheel drive control

Use the four-wheel drive control lever and center

differential lock button to select the following transfer and

center differential modes.

The "H" and "L" position of the four-wheel drive control lever

provides either lock or unlock mode of the center differential

depending on the center differential lock button position.

Use the center differential lock system if your wheels get stuck

in a ditch, or when you are driving on a slippery or bumpy

surface. When the center differential is locked, the vehicle

stability control system is automatically turned off and the

center differential lock and "VSC OFF" indicator lights come on

because the function that controls engine performance

As soon as the center differential lock switch is turned

on, the "VSC OFF" indicator light comes on. After the

wheels are out of the ditch or off the slippery or bumpy

surface, turn the center differential lock switch off.

Make sure the center differential lock indicator light and

vehicle stability control system off indicator light turn

off.

"H" (high speed position, center differential unlocked):

Lever at "H", center differential lock button left out

Use this for normal driving on all types of roads, from dry

hard-surfaced roads to wet, icy or snow-covered roads. This

position gives greater economy, quietest ride, least wear and

better vehicle control.

"H" (high speed position, center differential locked): Lever

at "H", center differential lock button pushed in

Use this for greater traction when you experience a loss of

power, such as wheel slipping, in the center differential unlock

mode.

"N" (neutral position): Lever at "N"

No power is delivered to the wheels. The vehicle must be

stopped.

"L" (low speed position, center differential unlocked):

Lever at "L", center differential lock button left out

Use this for maximum power and traction. Use this for climbing

or descending steep hills, off-road driving, and hard pulling in

sand or mud.

In this mode, the braking feeling that occurs when the wheels

are negotiating a sharp corner is further reduced than in the "L"

(low position, center differential locked) mode.

"L" (low speed position, center differential locked): Lever

at "L", center differential lock button pushed in

Use this for maximum power and traction. Use this for hard

pulling in situations the vehicle cannot negotiate even in the "L"

(low speed position, center differential unlocked) mode. Also,

using this mode when driving down steep off-road inclines will

help contribute to increased vehicle stability.

https://secure.drivers.lexus.com/lexusdrivers/info/my-lexus/resources/submit-owners-manual-search.do

Please copy and paste the link above and it will take you to the lexus site. There you will find the owners manual and you can download whatever sections you need for free.

Hope this helps.

Feb 11, 2011 | 2004 Lexus GX 470

1 Answer

1999 Rav4 Idot now How set it to 4 weel Dr pleas tellme How


1999 Rav4 has a 2-Wheel drive option. If you have 4-Wheel drive (check with dealer) there is no need to set it to 4-Wheel drive as the 4-Wheel drive mode is controled by the Powertrain Control Module (On-Board Computer) as needed.

Jan 30, 2011 | 2008 Toyota RAV4

4 Answers

I HAVE A 2002, 4-WHEEL DRIVE, TOYOTA TUNDRA PICK-UP TRUCK. IT HAS A 4-WHEEL DRIVE PROBLEM. RECENTLY I USED THE 4-WHEEL DRIVE, IN HI-GEAR. IT PERFORMED GREAT. WHEN I DEPRESSED TO BUTTON ON THE DASH TO...


I was researching the recalls for the 2002 tundra and havent found any recall pertaining to the 4whl drive. Sometimes when people have their 4wheel drive locked in and drive on pavement for any length of time, whether it be just a couple of feet or a couple of miles, over time it creates a binding of the gears in your transfer case. Once the bind is so great, the engaging and disengaging starts malfunctioning and leads to bigger problems overall. I could be wrong about this being the problem that you have but I think its something to look into. It wouldnt hurt to put your vehicle up off all fours and release the bind if any by running through the gears while in 2 and rour wheel drive while all four tires can move freely and release. See if that works for you. Check your gear oil front , center and rear and use much caution when attempting this suggestion. Also refer to your owners manual troubleshooting section for other possibilities. Merry Christmas. By the way, the electrical switch should be covered in the troubleshooting section also.

Dec 04, 2010 | 2002 Toyota Tundra

1 Answer

There is a light on the dashboard that I do not


I believe it's the washer fluid light

Here's a list of your dash lights and their meanings

Left
1. Door-ajar warning light
2. Oil pressure warning light
3. Check engine warning light
4. Tour or Sport for the ECS
5. Security indicator

Center Warning Lights
1st space down
Left: 4-wheel steering oil level warning light
Right: Brake warning light
2nd space down:
Left: Anti-lock brake warning light
Right: Active Exhaust Tour indicator
3rd space down
Left: cruise control indicator
Right: cruise control ON indicator
4th space down:
Left: charging system warning light
Right: High-beam indicator

Right Warning Lights
1st down: Not used
2nd down: Seatbelt warning light
3rd down: Washer fluid (2 storage containers)
4th down: Supplemental restraint system (SRS) warning light

Oct 07, 2009 | 1994 Dodge Stealth

2 Answers

4 wheel drive doesnt work.


Has this Jeep been modified at all?
It sounds like the shifter cable was reinstalled backwards.
Specifically the 4-Low "Not Climbing Well". 4-Low should give you the best torque and hill climbing ability.
Do you feel any "Binding" in the steering wheel (difficult to turn)?
Remember a Jeep uses real driveshafts and differentials to give you 4WD - you cannot engage 4WD or 4-Low on dry hard surfaces. It needs a little bit of slip between the wheels for turns.
Check you're fluids too.

Jul 11, 2009 | 1992 Jeep Wrangler

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