Question about 2003 Hummer H2

1 Answer

Abs Light On

The abs light came on yeserday in my 2003 hummer h2 with 60,000 miles. Any reasons/easy fix for this? I have read that the sensors could be dirty. Any help would be greatly appreciated

Posted by on

  • 1 more comment 
  • pepplerpup Jan 02, 2009

    What scan tool do you reccomend? any that are inexpensive/easy to find? thanks for posting

  • Anonymous Jan 03, 2009

    The ABS light went off on it's own today! -very weird-we have had minus 30 degree celcius temperatues as of late here though and there is lots of snow/dirt/salt on the roads-,maybe that had something to do with it? Also I used the ABS for the first time since I have owned the truck (1 1/2 years) on ice the day before the light came on

  • pepplerpup Jan 03, 2009

    The ABS light is no longer on-went off on it's own today! Very strange. We have had minus 30 degree celcius temperatues as of late here and there is lots of snow/dirt/salt on the roads, maybe that had something to do with it? Also I used the ABS for the first time since I have owned the truck (1 1/2 years) on ice the day before the light came on. Any thoughts???



1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert who has written 7 tips or uploaded 3 video tips

  • Master
  • 674 Answers

If you could plugg in with a scan tool it would tell you where to look.
i find many times that its just a wheel sensor wire .
so that is where i would start to look

Posted on Jan 02, 2009

  • paul erickson
    paul erickson Jan 02, 2009

    to do good dianostice work you need a one that will read live data streams and the cheap ones only give you codes. but you might get lucky and it has set a hard code and it would pick that up.

    and even walmart sells the cheap ones and they do work well to read codes.



  • paul erickson
    paul erickson Jan 06, 2009

    when you told me about the cold weather and the antilock working many different thought wer coing threw my head. i know we could guess all day . moisture in the wheel sensors. air lock in the antilock solonoids . i think we need to wait to see what happens .

    im sure it will come on again and then we can go from there.





1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Abslight stays on. How to fix? This is a2007trailblazer?

First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

1 Answer

Replaced wheel bearing and speed sensor on RF, 2000 f350 diesel dually. Drove 1 month about 1000 miles, now I get c1145 and c1230 with abs light. Any ideas?

ABS code C1145 - Ford Truck Enthusiasts Forums > ... > 1997 - 2003 F150
Aug 20, 2009 - ABS code C1145 1997 - 2003 F150. ... C1220 Yellow ABS WarningIndicator Failure (2) C1222 Wheel Speed ... C1230 Rear ABS Sensor (Electrical/Static) (2) ... ABS light on (Anti Lock Brakes) and I hear pump when in turn ...
Oct 9, 2010
ABS code C1206-2003 F150 SuperCrew
Aug 13, 2007
ABS light C1230
Oct 22, 2006
ABS light on DTC's C1229,C1230
Nov 18, 2002
More results from

Nov 17, 2015 | Cars & Trucks

1 Answer

My abs and brake lights stays on and speed start to work after 35 miles.why? or where is that sensor?

It is your speed sensor in the rear is used for the ABS system, as well as low speed speedometer readings. I have had the same problem. It will cause the BRAKE and ABS lights to light as well as affect the speedo under 35 mph. It is an easy fix, and can be done by a DIYer or a shop for about $100.00.

Aug 19, 2011 | 1999 Dodge Dakota

4 Answers

Abs light came on and a tc with line through it came on

when you have antilock "problem " on this vehicle you automatically get t\c light, I fixed this problem for a friend when the tire rubbed through one of his abs sensor cables .. just re-connected it don't spend $500 at a "RELIABLE" shop if you can fix this yourself....they will never tell you how easy it might be to repair!!

Feb 07, 2010 | 2003 Hummer H2

1 Answer

ABS ligth on caravan 2003

Yes, The light should clear after fix the problem. Check the connection on the sensors. Theres 4, one at each wheel. If you have air in the lines the ABS light will come on. To bleed go left rear, right front, right rear, left front. Don't let the reservoir go dry. Brake fluid should be changed every 30,000 miles

Dec 16, 2009 | 2003 Dodge Caravan

1 Answer

Abs light

theres dust or muck on the drive shafts and they have a ring of teeth on the ends near the wheels they get clogged up and the pick up sensor cant read it. or.. theres a loose wire on one of your 4 abs sensors on each wheel

Dec 15, 2009 | 2003 Toyota Tundra

2 Answers

My anti lock brake lights go on & off intermittently with a "trac off" light on my 2003 Pontiac Grand Am. Now it is on continually with resulting no anti-lock brakes. A non-expert opinion said fix is...

the 1st thing you need to find out is what ABS/trac control system trouble code you have, but based on what u have said you may have a defective wheel speed sensor, there are four and they are quite expensive so I would spend the diagnostic time and have the dealer test the ABS/Traction control for the code.

Jul 06, 2009 | 2003 Pontiac Grand Am

1 Answer

ABS light comes on at 80 Miles an hour, Hyundia

more then likely its a wheel speed sensor setting off your abs light

Mar 10, 2009 | 2003 Hyundai Accent

Not finding what you are looking for?
2003 Hummer H2 Logo

Related Topics:

462 people viewed this question

Ask a Question

Usually answered in minutes!

Top Hummer Experts


Level 3 Expert

77169 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22265 Answers

Brandon Johnson
Brandon Johnson

Level 2 Expert

251 Answers

Are you a Hummer Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides