ABS light and Traction Control light is on

Good afternoon,

I need the code that is set in the system to help. when the ABS has a fault the traction control is disabled as well.

You can have it read for free at a parts store. Once I know that code, we can narrow the area of failure.

https://www.2carpros.com/articles/abs-warning-light-on-easy-repair-guide

Roy

Hi,

If you have replaced all sensors (each wheel), then here is what I suggest. You need to confirm if the sensors are sending a signal. If one or more is not, we need to determine what is causing it. Oftentimes, it isn't the sensor that goes bad, but instead, the sensor ring fails and there is nothing to create a signal. This is limited to the rear wheels.

Here is a link that explains how to check the sensors manually with a multimeter. If you have access to a live data scan tool that can show wheel speed, that will make it easier for you. If you don't, follow this link and see if there is no signal from one or more of the wheels. Pay specific attention to the rear wheels.

https://www.2carpros.com/articles/abs-wheel-speed-sensor-test

Also, and don't laugh, make sure the brake fluid level in the reservoir isn't low. That can set these lights as well.

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If you determine which wheel is causing the issue and note one of the wheel speed sensors rings needs replaced, here are directions:

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2005 Cadillac Truck Escalade/ESV AWD V8-6.0L VIN N
Wheel Speed Sensor Ring Replacement - Rear
Vehicle Sensors and Switches Sensors and Switches - Brakes and Traction Control Wheel Speed Sensor Service and Repair Procedures Wheel Speed Sensor Ring Replacement - Rear
WHEEL SPEED SENSOR RING REPLACEMENT - REAR

Wheel Speed Sensor Ring Replacement - Rear
Tools Required
- J 8092 Driver Handle
- J 21128 Axle Pinion Oil Seal Installer
- J 23690 Bearing Installer
- J 2619-01 Slide Hammer
- J 44685 Rear Axle Seal and Bearing Remover
- J 45857 Tone Wheel and/or Bearing Remover
- J 45860 Tone Ring Installer

Removal Procedure
1. Raise the vehicle.
2. Remove the tire and wheel assembly.
3. Remove the rear wheel speed sensor.
4. Remove the rear axle housing cover.
5. Remove the axle shaft.

pic 1

6. Remove the axle shaft seal and the bearing from the axle housing using the J 44685 (1) and the J 2619-01 (2).
7. Remove the wheel speed sensor ring from the axle housing using the J 45857 (1) and the J 2619-01 (2).

Installation Procedure

pic 2

1. Install the wheel speed sensor ring using the J 45860 (1) and the J 8092 (2).
2. Drive the wheel speed sensor ring into the axle housing until the tool bottoms against the tube.

pic 3

3. Install the axle shaft bearing using the J 23690 (1) and the J 8092 (2).
4. Drive the axle shaft bearing into the axle housing until the tool bottoms against the tube.

pic 4

5. Install the axle shaft seal using the J 21128.
6. Drive the tool into the bore until the axle shaft seal bottoms flush with the tube.
7. Install the axle shaft.
8. Install the rear axle housing cover.
9. Install the rear wheel speed sensor.
10. Install the tire and wheel assembly.
11. Fill the rear axle.
12. Lower the vehicle.

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Let me know if this helps. Also, if you have scanned the computer, let me know if any codes were found.

Take care,
Joe