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Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> DTC C1251/51 Open in Pump Motor Circuit >> Description
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DTC C1251/51 Open in Pump Motor Circuit: Description

The motor relay (semiconductor relay) is housed in the skid control ECU and drives the pump motor based on a signal from the skid control ECU.

DTC DETECTING CONDITION CHART

DTC No. DTC Detecting Condition Trouble Area
C1251/51
  • Actuator pump motor does not operate properly.
  • Open in actuator pump motor circuit continues for at least 2 sec.
  • ABS and TRACTION actuator assembly (GND circuit)
  • ABS and TRACTION actuator assembly (Motor circuit)