Question about 2003 Pontiac Grand Am
You may have two problems here, depending on what codes both systems have. The ABS and Trac lights will be turned on whenever the ABS system sees a problem with a wheel speed sensor, a signal reading, or some other component or circuit. Because this type of problem prevents both the ABS and Traction Control system from functioning properly the system will turn on the warning lamp to alert the driver that there is a problem. Usually the Check engine lamps won't come on for an ABS problem but it may if it is a type of problem that affects both systems. I would have a good shop read both the codes in both systems and once they know what the system is seeing they should be able to figure out what has gone wrong. Brakes are one of the most vital safety systems on your vehicle so you should have it checked out as soon as possible!
Posted on Jul 11, 2010
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