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

Toyota Tacoma (2015-2018) Service Manual: 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

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.

(c) Check the DTCs (See page OK: ).

OK:

DTC P057504 and P057549 are not output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE ECM

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