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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System (Diagnostic Codes) (3 Of 7) >> Electronically Controlled Brake System >> DTC C1311: Open Circuit in Main Relay 1; DTC C1312: Short Circuit in Main Relay 1; DTC C1313: Open Circuit in Main Relay 2; DTC C1314: Short Circuit in Main Relay 2 [08/2019 - 07/2020] >> Monitor Strategy
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Monitor Strategy

Related DTCs C12FA: Brake pressure control solenoid main relay 1 open circuit
C12FB: Brake pressure control solenoid main relay 1 short circuit
C130C: Brake pressure control solenoid main relay 2 open circuit
C130D: Brake pressure control solenoid main relay 2 short circuit
Required Sensors/Components(Main) Skid control ECU assembly
Required Sensors/Components(Related) Skid control ECU assembly
Frequency of Operation Continuous
Duration -: C12FA and C130C
1 second: C12FB and C130D
MIL Operation Immediately
Sequence of Operation None
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