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Home >> Lexus >> 2023 >> LS 500h >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (4 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> DTC C141C-49: Brake Booster Motor "A" Control Internal Electronic Failure [11/2021 - 10/2023] >> Monitor Strategy

Monitor Strategy

Related DTCs C141C (Case 1): Brake booster motor relay output shorted high
C141C (Case 2): Brake booster motor freewheeling MOS output shorted high
C141C (Case 3 to 10): Brake booster motor gate voltage output functional
Required Sensors/Components (Main) No. 2 skid control ECU (brake actuator assembly)
Required Sensors/Components (Related) No. 2 skid control ECU (brake actuator assembly)
Frequency of Operation Continuous
Duration 0.054 seconds: C141C (Case 1 and 2)
0.120 seconds: C141C (Case 3 to 9)
4.002 seconds: C141C (Case 10)
MIL Operation Immediately
Sequence of Operation None