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

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