ALLIED SIGNAL issued a recall on the MC12 CONTROLLER model

THE RUBBER SEAT OF THE SOLENOID ARMATURE ON THE ANTILOCK AND SERVICE BRAKE CONTROLLER FOR TRAILER BRAKES COULD SWELL DUE TO ANTIFREEZE CONTAMINATION AND POSSIBLY BLOCK THE TRAILER SERVICE BRAKE CONTROL AIR PRESSURE PASSAGE. THIS COULD RESULT IN A REDUCTION OR LOSS OF TRAILER SERVICE BRAKING AND POSSIBLE LOSS OF VEHICLE CONTROL.CORRECTION: CONTROLLER ASSEMBLIES WILL BE REPLACED WITH MODIFIED VERSIONS HAVING SOLENOIDS THAT HAVE A RUBBER SEAT WHICH IS LESS SUSCEPTIBLE TO SWELLING WHEN EXPOSED TO ANTIFREEZE AGENTS.