I--- Toyota C052f14 «FHD»

The Skid Control ECU (brake actuator assembly) has detected an abnormality in the power supply to the ABS motor relay. Common Symptoms: ABS warning light is illuminated. Brake System/VSC/Traction Control warning lights may be on. Brake hold function may be disabled. Detection Conditions The system triggers this code under the following patterns: Pattern 1: After the pump motor is turned off, the ECU detects 0.6 V or more at the pump motor for at least 0.48 seconds Pattern 2: The power supply to the ABS motor relay drops for at least 0.15 seconds Potential Causes & Diagnostic Steps Main Causes: Primarily related to a faulty Skid Control ECU (brake actuator assembly)

After replacing the unit, the vehicle often requires Zero Point Calibration of the deceleration and master cylinder pressure sensors. i--- Toyota C052f14

Because the brake booster is not receiving correct pressure sensor data, the electric pump may not assist you properly. The pedal will feel like pressing against a brick. The Skid Control ECU (brake actuator assembly) has

: Ensure the battery is providing normal voltage, as low system power is a primary cause for C052F14. Brake hold function may be disabled

: Ensure the battery is fully charged and holding voltage. If the code was triggered by a voltage drop, it can often be cleared by driving the vehicle at speeds above 15 km/h (9 mph) for a few seconds before resetting the DTCs with a scanner.