CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): P057504,P057549; Cruise Control System Internal Failure; 2019 - 2021 MY Avalon HV [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001B56T
Model Year Start: 2019	Model: Avalon HV	Prod Date Range: [04/2018 - 08/2021]
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): P057504,P057549; Cruise Control System Internal Failure; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021]

DTC

P057504

Cruise Control System Internal Failure

DTC

P057549

Cruise Control Internal Electronic Failure

DESCRIPTION

This DTC is stored when there is a malfunction in the hybrid vehicle control ECU.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL
P057504	Cruise Control System Internal Failure	While the dynamic radar cruise control system is operating, the dynamic radar cruise control system control of vehicle speed is not canceled and approximately 0.4 seconds have elapsed since cruise cancel signal (STP signal) is received by the hybrid vehicle control ECU.	Hybrid vehicle control ECU	Does not come on
P057549	Cruise Control Internal Electronic Failure	When the power switch is on (IG), STP signals received by the hybrid vehicle control ECU supervisory CPU and that received by the control ECU do not match for approximately 0.2 seconds or more.	Hybrid vehicle control ECU	Does not come on

NOTICE:

Before replacing the hybrid vehicle control ECU, refer to Registration.

Click here

1.	CHECK FOR DTCs

(a) Clear the 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.

Result	Proceed to
DTC P057504 and P057549 are not output.	A
DTC P057504 or P057549 is output.	B