Question about 2001 GMC Yukon Denali

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Abs code co223 on 1991 GMC 3500 pick-up truck,i found the wire from the sensor was pinched between the rotor backing plate and frame.The wire coating was chaffed exposing the wire P.T. and probably grounding out.i taped the wire.Should this repair be allright or should i replace the wire.

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If u taped up the wiring so its weather tight and the abs light reset [went out] then u corrected ur problem and should last

Posted on Jun 01, 2010


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Related Questions:

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How do I get the front brake rotor off of a 2006 GMC Canyon 2 WD?

Tools Required:

Lug Removal Tool
Impact Gun(Recommended)
Sockets.. Lots of metric sockets
Porta Power(hydraulic piston) --- THIS IS REALLY IMPORTANT... use to press hub off..


1) Jack vehicle and support on jack stands.

2) Remove front tire.

3) Remove Front Brake caliper.. hang on frame using a bungee or other support
Important to not stress hose.

4) Remove brake pad support.

5) Remove 4 bolts from rear of hub.

6) Undo bolt for ABS sensorfrom frame, undo all clips holding wire.
Crawl under truckand unclip wire connector(trace wire from the ABS sensorto find it)

7) Make sure wire is unclipped from the frame and will not bind on removal of hub. (Prevents Damage of ABS sensor)

icon_cool.gif.pagespeed.ce.l5kzkvpb-u.gifTRICKY PART: Turn the wheels so that you can use the hydraulic porta-power against where the lower control arm mountsto the front. (Turn the
wheel left). Position porta-power to be placed inside dimple of the middle of the hub. DO NOT DAMAGE ABS SENSOR...
Pump Porta-power until hub "Pops".. be extremely careful removing the hub not to damage the ABS wireat all.. It is easy to break and not notice (I did
this and had to resplice it)

9) Hub should be removed from vehicle by this point and you can remove the six bolts holding the old rotor on. Still be careful not to damage the sensor.

10) Change the rotor. (do not use impact gun to reattach.. may strip threads)

11) Installation is basically reverse of removal.

12) Install brake pads, press caliper back in (typical brake job)

13) Put tire back on.. do other side.. and you're done.

Porta Poweris this....

Aug 02, 2014 | 2006 GMC Canyon

1 Answer

91 gmc 3500 van brake light sensor comes one stops shifting right

you need to know witch ABS code and PCM code first before any repair.
hope it helps

Mar 17, 2014 | GMC Cars & Trucks

1 Answer

Abs light brake light on not shifting

look under the truck at the ****** and check the wiring to the sensors if good may be a bad sensor,also check the wiring and connections to the abs wheel sensors [ located from frame to the hub behind the rotors ] the abs also acts as speed sensor if problem was with an abs sensor at the[ hub] wheel usually set the brake system to normal power brakes [if u hit brakes hard will lock up or skid wheels] with the abs light coming on if the speed sensor at ****** malfunction can and usually causes shift problems

May 14, 2012 | 1999 GMC Sierra

1 Answer

I have a 2000 GMC Sierra. Brake Light and ABS warning light comes on frequently. Sometimes it's there othertimes not. Have replaced the sensors, replaced rotors and pads, cleaned gound on the frame...

I would recommend checking for diagnostic trouble codes in the ABS system. If there is a diagnostic code C0265 set, then you're most likely looking at an ABS computer replacement. This is a common failure on these trucks. GM calls this computer an EBCM, or Electronic Brake Control Module. This is the controller for antilock brakes and is mounted directly to the ABS pump motor assembly. Last time i checked, these things were going for about $900 at the dealer.

Aug 08, 2011 | 2000 GMC New Sierra 1500

1 Answer

2006 gmc savana abs front brakes back off at a slow stoopping speed 6mph or slower

I think what you are trying to say is the ABS engages at slow speeds when it shouldn't. This is known as overactive ABS.

GM has a technical service bulletin for this. they want you to remove the ABS sensor. Thoroughly clean the mounting surface of any rust/debris. Apply a thin coat of di-electric grease to the mounting surface and reinstall the sensor.

You will need to remove the caliper and rotor to gain access to the sensor. It will be able to remove the bolt with either an allen head socket or a torx socket. Be careful when trying to pull the senosr out. Sometimes the can be pinched into place by the build op of rust. If it breaks off you'll have to replace the wheel bearing hub assembly.

In order to minimize the potential expense of having to replace both wheel bearings you can have the ABS system scanned. Your not looking for codes your looking for data so a high end scan tool will be needed. While observing wheel speed data during a slow stop note which sensor drops to zero first. That's the sensor you should try cleaning the mating surface first.

I’m happy to assist further over the phone at

Sep 29, 2010 | GMC Sierra 1500 Cars & Trucks

1 Answer

Where is the ABS sensonr located on 1997 Intrepid?

Majority of vehicles have a magnetic pick-up right behind the brake rotor. It picks up this signal from a metal disc with perforation. It has to know how fast or slow it's spinning and sending that data back to the ABS control module. It could also use the disc brake rotor too picking the signal from the top edge (I'm just guessing on that set up although possible). It has two wires coming out from it. Some cars have a brake pad wear sensor that has two wires coming out of the brake pads, so don't confuse this as an ABS pick up. It could also be called a wheel speed sensor.

Apr 24, 2010 | 1997 Dodge Intrepid

2 Answers

Front rotors have been turned on my 2004 F150 4x4. I've had the truck sense new. I turned the rotors because of a pulsing grip when braking. Now the ABS vilolently pulsates after putting back ont he road....

Clean the ABS sensor and speed ring on the hub. The ABS sensor is a magnetic sensor and is know to pick up dirt and metal fillings, you can use a can of break parts cleaner to clean the ABS system and check for any loose and damage wire leads to the sensors. Good luck and keep me posted, be glad to help you get your ford running 100% again soon.

Jan 05, 2010 | 2004 Ford F150

1 Answer

I need a diagram on front hub and brake assembly for 1999 dodge 1 ton dually 2 wheel drive. the front brake rotor is warped i need to replace it

8–Stud Rotor
  1. Raise and support the vehicle.
  2. Remove the wheel.
  3. Remove the hub extension.
  4. Remove the brake caliper assembly.
  5. Remove the axle nut cotter pin. Remove the axle nut.
  6. Disconnect the ABS wheel speed sensor wire from under the hood. Remove the sensor wire from the frame and steering knuckle, if equipped.
  7. Back off the hub/bearing mounting bolts 1/4 inch each. Then tap the bolts with a hammer to loosen the hub/bearing mounting bolts.
  8. Remove the bolts and remove the hub/bearing assembly.

Sep 16, 2009 | 2000 Dodge Ram 3500

1 Answer

My abs and trac lights are both on. we cant find the sensors to clean them. it is front wheel drive.

When both lights are on you should check wheel sensors. Look for small plug at the back of rotor, probably 2 wire. Make sure all sensors are securely attached/latched and no obvious damage to sensor such as breakage from stone, etc. Check all wiring at wheels for break, rubbing, pinch, etc. If nothing visually obvious then check codes with code reader or scanner for clue to which wheel needs attention.

Jun 28, 2009 | 2002 Pontiac Grand Prix

2 Answers

What causes the ABS light to come on

I got the same problem and checking out to solve it found out that a cable from the sensor was cut, repair the cable and restart the failure code disconnecting the battery for at keast 10 min

Aug 02, 2008 | 1999 Chevrolet Malibu

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