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ABS lights are on?

Tiny
W002MIA
  • MEMBER
  • 2009 DODGE CALIBER
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150 MILES
Hello! I have many lights illuminated on the dash such as ABS, ESP BAS, traction, hand brake.

I would like to start diagnosing the problem by checking inputs and outputs on the ABS module but I don’t have a wiring diagram. I could only find ECM diagram.

Let me know how you would tackle such a problem.

Thank you
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Friday, October 20th, 2023 AT 5:46 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Chances are the problem is related to a faulty wheel speed sensor and not the module. Even low brake fluid can set all these codes.

Before we dive into a control module, check for a signal at each wheel speed sensor. Here is a link that explains how it's done. All you will need is a voltmeter or multimeter.

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

I have attached the wiring schematic below for the ABS circuits. I hope they help.

Let me know what you find.

Take care,

Joe
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Friday, October 20th, 2023 AT 3:18 PM

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