2002 MERCURY MARQUIS GRAND MARQUIS 2002 ABS AND BRAKE LIGHT

  • Tiny
  • Jack42
  • 2002 MERCURY MARQUIS

Brakes problem
2002 Mercury Marquis V8 Two Wheel Drive Automatic 58000 miles

HI, I HAVE A GRAND MARQUIS 2002, ABS AND BRAKE WARNING LIGHTS ALWAYS ON, THEY DON'T OF WHEN CAR IS RUNNING, I CHECK FUSES CONNECTORS, ALL OK, BUT WHEN IS CONNECT AN ABS SCAN TOOL THERE IS NO COMMUNICATION WITH THE ABS MODULE, I CHECK ELECTRICAL CONNECTIONS IN THE ABS MODULE CONNECTOR AND ALL OK VOLTAGES AND GROUND, I TEST THE RESISTANCE OF THE ABS WHEEL SENSOR AND ALL OK, IS THE PROBLEM THE ABS ELECTRONIC MODULE? THANKS.
RAMON V.

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Wednesday, April 21st, 2010 AT 6:24 PM

1 Reply

  • Tiny
  • RAMON3710
  • MEMBER

If it wont communicate, the module is usually the culprit.I would try with a different scanner just to be sure. I have had different scanners work on occasion.

Also check the fuses if one is blown it will cause this problem.

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Wednesday, April 21st, 2010 AT 7:22 PM

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