Toyota Corolla Cross: ABS Pump Motor Control Internal Electronic Failure (C052C49)

Toyota Corolla Cross (2022-2025) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / ABS Pump Motor Control Internal Electronic Failure (C052C49)

DESCRIPTION

The ABS motor relay and pump motor are built into the brake actuator assembly.

If the skid control ECU (brake actuator assembly) detects a malfunction in the drive circuit of the pump motor, this DTC is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C052C49	ABS Pump Motor Control Internal Electronic Failure	The skid control ECU (brake actuator assembly) detects a malfunction in the pump motor circuit. When the system has started, a short to +B is detected during the ABS motor drive circuit self test.	Skid control ECU (brake actuator assembly)

PROCEDURE

1.	REPLACE BRAKE ACTUATOR ASSEMBLY

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END

SEE MORE:

Power Steering Control Module Processor System Internal Failure (C05D604,...,C15D362)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate C05D604 Power Steering Control Module Processor System Internal Failure ECU internal malfunction (CPU malfunction

Shut Down Signal Circuit

DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off

Toyota Corolla Cross: ABS Pump Motor Control Internal Electronic Failure (C052C49)

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Power Steering Control Module Processor System Internal Failure (C05D604,...,C15D362)

Shut Down Signal Circuit