Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001H089
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [01/2019 - 09/2022]
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for M20A-FKS): P057504,P057549; Cruise Control System Internal Failure; 2020 - 2022 MY Corolla Corolla Hatchback [01/2019 - 09/2022]

DTC

P057504

Cruise Control System Internal Failure

DTC

P057549

Cruise Control Internal Electronic Failure

DESCRIPTION

When the ECM detects an internal malfunction, DTC P057504 or P057549 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

P057504

Cruise Control System Internal Failure

When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal cancel circuit for 0.4 seconds or more.

ECM

Does not come on

Cruise Control

P057549

Cruise Control Internal Electronic Failure

When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal STP signal circuit for 0.2 seconds or more.

ECM

Does not come on

Cruise Control

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the ECM, refer to Registration.

w/o Smart Key System: Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION

w/ Smart Key System: Click here 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

PROCEDURE

1.

CHECK FOR DTCs

(a) Clear the DTCs.

Powertrain > Radar Cruise1 > Clear DTCs

(b) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

Powertrain > Radar Cruise1 > Trouble Codes

Result

Proceed to

DTC P057504 and P057549 are not output.

A

DTC P057504 or P057549 is output.

B
A

USE SIMULATION METHOD TO CHECK

B

REPLACE ECM