NHTSA Campaign 78V148000

SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE

Issued by GENERAL MOTORS CORP. · Reported Jun 26, 1978 · 1,343 vehicles affected

What's wrong

SOME ANTI-LOCK CONTROLLERS CONTAIN ELECTRONIC COMPONENTS WHICH WERE NOT MADE TO SPECIFICATIONS. IN THE EVENT THESE CONTROLLERS DEVELOP A FAILURE OF ANOTHER INTERNAL ELECTRIC COMPONENT, THE COMBINATION OF DEFECTS MAY CAUSE THE ANTI-LOCK VALVE SOLENOID (A COILED CURRENT CONDUCTING WIRE) TO BE CONTINUOUSLY ENERGIZED, PREVENTING APPLICATION OF THE BRAKES ON THE AXLE INVOLVED. HOWEVER, THE ANTI-LOCK BRAKING SYSTEM PERFORMANCE ON THE REMAINDER OF THE VEHICLE IS NOT AFFECTED AND THE DRIVER WARNING LIGHT IS NOT ACTUATED.

Remedy

THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL NEW CONTROLLERS WITHOUT CHARGE TO OWNER.

Vehicles affected by this recall

Make Model Year Units
CHEVROLET D90 1975 1,343
CHEVROLET D90 1976 1,343
CHEVROLET F90 1975 1,343
CHEVROLET F90 1976 1,343
CHEVROLET H70 1975 1,343
CHEVROLET H70 1976 1,343
CHEVROLET H90 1975 1,343
CHEVROLET H90 1976 1,343
CHEVROLET J70 1975 1,343
CHEVROLET J70 1976 1,343
CHEVROLET J90 1975 1,343
CHEVROLET J90 1976 1,343
CHEVROLET M90 1975 1,343
CHEVROLET M90 1976 1,343
GMC C60 1975 1,343
GMC C60 1976 1,343
GMC M60 1975 1,343
GMC M60 1976 1,343
GMC S60 1975 1,343
GMC S60 1976 1,343
GMC T60 1975 1,343
GMC T60 1976 1,343

Source: NHTSA Campaign 78V148000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.