Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I'm an independent contractor here at Just Answer.
Do you know which trouble codes are stored?
Thanks for asking your question and letting me try to help you.
We can do some diag without a scan tool to find out what is not to blame. Can you do electrical diag with a multimeter?
Thanks, ***** ***** info now.
At the brake fluid reservoir, probe the back of the connector. OHM test the purple wire, it should not have continuity to ground. Do the same at the parking brake switch light blue wire. If both pass then your concern is the ABS system detecting a fault. This is where the codes stored will be needed to see if there is a wheel speed sensor reading issue or sensor failure.
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