One problem related to brake sensor has been reported for the 2004 Hyundai Elantra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Hyundai Elantra based on all problems reported for the 2004 Elantra.
: the contact stated while turning left at low speeds there was a grinding noise that came from the rear of the vehicle. The dealership was unable to determine why the rear brakes had failed. The vehicle was taken to a local independent repair shop. The mechanic determined the rear brake sensors were bent and both rear brakes were replaced and the rotors were turned. The manufacturer has been alerted.