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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (5 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C12F8-12: ECB Solenoid Control "A" Circuit Short to Battery; DTC C12F8-14: ECB Solenoid Control "A" Circuit Short to Ground or Open [12/2021 - ] >> Monitor Strategy

Monitor Strategy

Related DTCs C12FA: Brake system voltage power supply relay open circuit
C12FB: Brake system voltage power supply relay circuit high
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: C12FA (Case 1 and 2)
0.204 seconds: C12FA (Case 3)
4.5 seconds: C12FB
MIL Operation Immediately
Sequence of Operation None