13 — Open pump motor relay circuit. Check modulator wiring harness, pump motor wiring harness, pump motor relay circuit and pump motor connector.
14 — Short in pump motor relay circuit. Check modulator wiring harness, pump motor wiring harness, pump motor relay circuit and pump motor connector
41 — Battery voltage too low or high (under 9.5 volts or over 16.2 volts). Check battery and charging system.
51 — Pump motor is locked or pump motor circuit is open. Check pump motor, motor relay, wiring harness and modulator ground connections
