Code 1-2-4 (Brakelight Circuit Disengagement)

Code 1-2-4 is set if cruise control is disengaged by depressing brake pedal and closing brakelight switch. Otherwise, control unit terminal No. 7 was not connected to ground through brakelight bulbs at moment of disengagement. Check for loose wires or connectors and an incorrectly adjusted brakelight switch. See BRAKELIGHT CHECK (RESPONSE CODE 1-3-2) under COMPONENT TEST MODE  under DIAGNOSIS & TESTING.