Toyota Tacoma (2015-2018) Service Manual: Cruise Control System Internal Failure (P057504,P057549)

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Cruise Control System(for 2gr-fks) / Cruise Control System Internal Failure (P057504,P057549)

DESCRIPTION

This is output when the ECM detects malfunctions in the internal circuit.

DTC Code	DTC Detection Condition	Trouble Area	MIL	Note
P057504	Vehicle Condition: Cruise control in operation Malfunction Status: ECM internal cancel circuit malfunction	ECM	Does not come on	SAE: P0575
P057549		ECM	Does not come on	SAE: P0575

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTCs (See page (b) Perform the following to make sure that the DTC detection conditions are ).

(b) Perform the following to make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the malfunction cannot be detected.

(1) Drive the vehicle at a speed for which cruise control operation is possible.

(2) Turn the cruise control system on using the cruise control main switch (ON/OFF).

(3) Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.

OK:

DTC P057504 and P057549 are not output.

USE SIMULATION METHOD TO CHECK

REPLACE ECM

Dtc Check / Clear

DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing m ...

Lost Communication with Vehicle Dynamics Control Module Missing Message (U012287)

DESCRIPTION The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication. DTC No. DTC Detection Condition Trouble Area ...

Other materials:

System Diagram
SYSTEM DIAGRAM Communication Table Sender ECU Receiver ECU Signal Line *1: for Vacuum Brake Booster *2: for Hydraulic Brake Booster Forward Recognition Camera Combination Meter Assembly ...

System Description
SYSTEM DESCRIPTION GENERAL The cruise control main switch is used to turn the dynamic radar cruise control system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES (RESUME), + (ACCEL), TAP-UP and CANCEL. The SET, TAP-DOWN, and - (COAST) functions, and the RES (RESUME) ...

Removal
REMOVAL CAUTION / NOTICE / HINT Text in Illustration *a Object Exceeding Weight Limit of Transmission Jack Be sure to perform this procedure with several people as the rear differential carrier assembly is very heavy. Be sure to follow the procedure ...