John Paul, AAA Northeast's Car Doctor, hears from a reader wondering why they were never notified of a recall for their VW.

Your ABS module is the brain behind safe, skid-free stops, but diagnosing its faults isn’t always straightforward. Many warning lights point to sensor or wiring issues rather than the module itself.

The antilock braking system control module is a microprocessor that runs diagnostic checks of a vehicle’s ABS. It processes information from wheel-speed sensors and the hydraulic brake system to ...