Function Axle Lifted Sensors Used Modulators Used C0 2S/1M 1A, 1B Red C1 2S/2M 2A, 2B Blue, Yellow C2 4S/2M 2A, 2B, 3A, 3B Blue, Yellow C3 4S/2M 2 or 3 2A, 2B, (3A), (3B) Blue, Yellow CA CC CF LO or HI SUNDRY ADDITIONAL CODES Erase stored fault Clear Configuration ...