My ABS light comes on and the trans seems to get stuck

Tiny
DONNA BROWN
  • MEMBER
  • 1995 GMC SIERRA
My abs light comes on and the trans seems to get stuck when it does. I have had diagnostic on abs, replaced speed control sensor, and power booster but the light still comes on
Thursday, December 23rd, 2010 AT 10:10 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More than likely we still have an issue with the wheel speed sensors or overall system.

We need to start with getting the ABS codes and here is a video that will help with this.

https://youtu.be/rTtAnsOlZU4

Then we need to follow the testing for these codes but more than likely what is happening is a wheel speed is not being communicated properly and that is affecting the shifting of the unit as it uses wheel speed sensors to determine shifting.

This could be another speed sensor so here is a guide that will help with testing this sensor:

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

Let's run through this info and we can go from there. Thanks
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Tuesday, November 9th, 2021 AT 8:29 AM

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