One problem related to brake hoses, lines/piping, and fittings has been reported for the 1999 GMC Sonoma. The most recently reported issues are listed below.
Brake line hydraulic failure of hard steel line. The line that broke goes to the back wheels along the frame.
| Brake Disc Pads problems | |
| Brake Electric Antilock problems | |
| Brake Light On problems | |
| Brake Master Cylinder problems | |
| Brake Antilock Wheel Speed Sensor problems | |
| Brake Disc problems | |
| Brakes Failed problems | |
| Brake Hoses, Lines/piping, And Fittings problems |