This DTC is stored when there is a malfunction in the ECM.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P057504 | Cruise Control System Internal Failure | While the cruise control system is operating, the cruise control system control of vehicle speed is not canceled and approximately 0.4 seconds have elapsed since cruise cancel signal (STP signal) is input to the ECM. | ECM |
| P057549 | Cruise Control Internal Electronic Failure | When the ignition switch is to ON, STP signals input to the ECM supervisory CPU and that input to the control ECU do not match for approximately 0.2 seconds or more. | ECM |
Clear the DTCs.
except 1GD-FTV (Urea SCR System):
for 1GD-FTV (Urea SCR System):
Make sure that the DTC detection conditions are met.
If the detection conditions are not met, the system cannot detect the malfunction.
Check for DTCs.
except 1GD-FTV (Urea SCR System):
for 1GD-FTV (Urea SCR System):
| Result | Proceed to |
|---|---|
| DTC P057504 and P057549 are not output. | A |
| DTC P057504 or P057549 is output. | B |
A
B