| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GZ6Q |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): P057504,P057549; Cruise Control System Internal Failure; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
DTC |
P057504 |
Cruise Control System Internal Failure |
|
DTC |
P057549 |
Cruise Control Internal Electronic Failure |
DESCRIPTION
When the hybrid vehicle control ECU detects an internal malfunction, DTC P057504 or P057549 is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
P057504 |
Cruise Control System Internal Failure |
When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects a malfunction in the internal cancel circuit for 0.4 seconds or more. |
Hybrid vehicle control ECU |
Cruise Control |
|
P057549 |
Cruise Control Internal Electronic Failure |
When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects a malfunction in the internal STP signal circuit for 0.2 seconds or more. |
Hybrid vehicle control ECU |
Cruise Control |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the hybrid vehicle control ECU, refer to Registration.
Click here
![2020 MY Corolla Corolla HV [01/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
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 |
|
| B |
|
|
|