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Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Diagnostic Codes >> Code 51
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Code 51

Actuator pump motor is locked or pump motor circuit open. Check pump motor, pump motor relay, vehicle battery, actuator wiring harness, connectors, actuator pump motor circuit and actuator ground bolt.