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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Electronically Controlled Brake System - Diagnostic Codes (5 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC C1427-71: ABS Pump Motor Actuator Stuck [11/2021 - ] >> Description

DTC C1427-71: ABS Pump Motor Actuator Stuck [11/2021 - ]: Description

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When the ignition switch is turned ON (READY), the stop light switch assembly off and the vehicle speed is 20 km/h (12 mph) or more, the No. 2 skid control ECU (brake actuator assembly) performs a self-diagnosis of the ABS motor relay circuit during the initial check of the actuator.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
C1427-71 ABS Pump Motor Actuator Stuck When the actuator initial check is being performed, the actuator pump motor does not operate properly.
  • Wire harness and connector
  • Brake actuator assembly (pump motor)
  • Brake actuator assembly (pump motor circuit)
Comes on Brake/EPB
  • SAE Code: C1427
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)