United States 77V142000
PETERBILT MOTOR COMPANY
The problem
A WIRING ADAPTER HARNESS WAS MISTAKENLY INSTALLED ON THE INVOLVED VEHICLES. THIS RESULTS IN DEACTIVATION OF THE WHEEL ANTI-LOCK SYSTEM ON THE FRONT STEERING AXLE, AND CONSEQUENTLY FAILS TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS".
What owners should do
DEALER WILL REMOVE THE WIRING ADAPTER HARNESS WITHOUT CHARGE TO OWNER.
Units 120