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)

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Other materials:

Inspection
INSPECTION PROCEDURE 1. INSPECT INPUT SHAFT (a) Using a dial indicator and 2 V-blocks, measure the shaft runout. Maximum runout: 0.03 mm (0.0012 in.) If the runout is more than the maximum, replace the input shaft. HINT: Measure the 3 areas shown in the illustration wit ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the 1D and 1F driver side junction block connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connectors ...

Removal
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