Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002D0EP
Model Year Start: 2024 Model: GR Corolla Prod Date Range: [08/2023 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C052C49; ABS Pump Motor Control Internal Electronic Failure; 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]

DTC

C052C49

ABS Pump Motor Control Internal Electronic Failure

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

MIL

Note

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)

Does not come on

-

PROCEDURE

1.

REPLACE BRAKE ACTUATOR ASSEMBLY

(a) Replace the skid control ECU (brake actuator assembly).

Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL

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