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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (2 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> DTC C0597-49: Brake System Control Module "A" Internal Electronic Failure; DTC C12F6-62: Left Front Wheel ABS Hold Solenoid / Right Front Wheel ABS Hold Solenoid Signal Compare Failure; DTC C12F7-62: Left Rear Wheel ABS Hold Solenoid / Right Rear Wheel ABS Hold Solenoid Signal Compare Failure; DTC C13BF-62: Brake Pressure Control Solenoid "A" / "B" Signal Compare Failure [11/2021 - 10/2023] >> Monitor Strategy

Monitor Strategy

Related DTCs C0597 (Case 1): ABS hold solenoid circuit stuck
C0597 (Case 2 to 5): ABS hold solenoid performance
C12F6: ABS hold solenoid other functional
C12F7: ABS hold solenoid other functional
C13BF: SM solenoid other 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 0.012 seconds: C0597 (Case 2 and 5)
0.054 seconds: C0597 (Case 3 and 4)
0.102 seconds: C0597 (Case 1)
0.198 seconds: C12F6, C12F7 and C13BF
MIL Operation Immediately
Sequence of Operation None