What does the rear abs light mean on your aerostar van?

The rear ABS light on your Aerostar van indicates a potential issue with the anti-lock braking system (ABS) in the rear brakes. This could be due to a malfunctioning ABS sensor, a problem with the ABS module, or low brake fluid levels. It's important to have the system checked by a professional to ensure safe braking performance and address any underlying issues. Ignoring the light could lead to reduced braking effectiveness.