One problem related to air brake abs warning light has been reported for the 1999 Buick Century. The most recently reported issues are listed below.
Service vehicle, abs and traction control light came on. The light would go out at first but now is steady. Took car to dealer who said it was broken wire under hood. They have found many with same problem. A wire harness is to short and the wire eventually fails. Abs does not work during this failure.
| Air Brake Abs Warning Light problems | |
| Air Brake Wheel Speed Sensor problems |