NHTSA recall campaign
78V210000
Service Brakes, Air › Antilock › Interconnecting Assembly(Wiring)
28Affected configurations shown19,370Potential units affected—Latest completion context
What can happen
Safety consequence
DELAYS OF UP TO ABOUT 2 SECONDS MAY EXIST IN THE BRAKE APPLICATION TIMES TO THE BRAKES ON THE BOGIE AXLES IN THE PRESENCE OF CERTAIN TYPES OF WHEEL SPEED SENSOR SIGNAL DISCONTINUITIES OR DISTORTIONS THAT MAY OCCUR AS A RESULT OF SENSOR WIRE FAILURE. THIS CONSTITUTES A NON-COMPLIANCE TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS".
What fixes it
Official remedy
DEALER WILL INSTALL NEW WHEEL SPEED SENSORS THAT INCORPORATE IMPROVED WIRING AND THE PRESENT BOGIE ANTI-WHEEL LOCK SYSTEM WILL BE CHANGED TO AN AXLE-TO-AXLE SYSTEM FOR IMPROVED RELIABILITY.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
Latest reported completion: available in the live DOT record.
Affected vehicles
Vehicle configurations connected to 78V210000
1978 MACK WLOpen vehicle record →1978 MACK FOpen vehicle record →1978 MACK UOpen vehicle record →1978 MACK ROpen vehicle record →1978 MACK WSOpen vehicle record →1978 MACK RSOpen vehicle record →1978 MACK RLOpen vehicle record →1978 MACK RMOpen vehicle record →1978 MACK RWSOpen vehicle record →1978 MACK RWLOpen vehicle record →1978 MACK RDOpen vehicle record →1978 MACK DMOpen vehicle record →1978 MACK DMMOpen vehicle record →1978 MACK MBOpen vehicle record →1977 MACK RWSOpen vehicle record →1977 MACK RWLOpen vehicle record →1977 MACK ROpen vehicle record →1977 MACK DMOpen vehicle record →1977 MACK FOpen vehicle record →1977 MACK MBOpen vehicle record →1977 MACK RDOpen vehicle record →1977 MACK RMOpen vehicle record →1977 MACK UOpen vehicle record →1977 MACK DMMOpen vehicle record →1977 MACK WSOpen vehicle record →1977 MACK WLOpen vehicle record →1977 MACK RSOpen vehicle record →1977 MACK RLOpen vehicle record →
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.