Hit a bump on the Interstate and the Speedometer quit, cruise control quit, ABS Light is on, naother light associated with the ABS is on,Triangle Electonic control comes on then goes off,Check engine Light comes on with a code for EGR. Fuel mileage down prior to this from 36 on Istate to 28 on Interstate?? TOTALLY CONFUSED.

1996 E300D
Is there a speed cable is it a sensor on the wheel? Are all these related? HELP!!!!!

 

yes. the wheel speed sensor is faulty...or the wiring for it.

 

Which wheel is the sensor on and where does the wiring start and go to. Is there a speed cable?
Thank you for your help