My 99 Grand Prix GTP 138k ABS and Trac Control lights both came on at same time. Idk why, does anybody have a clue or guess as to what I could do to fix this?

Asked by Mar 10, 2015 at 08:30 PM about the 1999 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe

Question type: Maintenance & Repair

2 Answers

35

And bad wheel speed sensor will make it throw a light for those at the same time. Also check ABS harness for cracks or breaks in wires or a bad connection

35

The ABS EBCM could be bad too.

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