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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (3 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C143A-7E: ABS Solenoid Control Module Actuator Stuck On; DTC C143A-7F: ABS Solenoid Control Module Actuator Stuck Off [09/2018 - 10/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • After replacing the skid control ECU (brake actuator assembly), perform "Calibration".

    Refer to CALIBRATION [09/2018 - 10/2023]

  • Inspect the fuses for circuits related to this system before performing the following procedure.

HINT: 

When C137B-A2 and/or C137B-A3 is output together with C143A-7E and/or C143A-7F, inspect and repair the trouble areas indicated by C137B-A2 and/or C137B-A3 first.

for C137B-A2: Refer to DTC C137B-A2: Brake System Control Module "A" System Voltage System Voltage Low [09/2018 - 10/2023]

for C137B-A3: Refer to DTC C137B-A3: Brake System Control Module "A" System Voltage System Voltage High [09/2018 - 10/2023]

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