Anti-Lock Brake System (ABS) Module

The ABS module is on the high speed CAN. The ABS module controls the brake pressure to the 4 wheels to keep the vehicle under control while braking. If one of the bus wires becomes shorted to ground or voltage, communications can continue at a reduced level. Check the high speed CAN circuits 1908 (WH) and 1909 (BK), between the ABS module C155 and the DLC C251. Total resistance values must not be more than 5 ohms. If the resistance is more than 5 ohms, there is an open circuit in the high speed CAN, damage to the DLC C251, damage to the ABS module C155, or a problem in the in-line connector. For additional information, refer to ANTI-LOCK CONTROL .