Toyota Tacoma (2015-2018) Service Manual: Lost Communication with Vehicle Dynamics Control Module Missing Message (U012287)

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Cruise Control System(for 2gr-fks) / 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	MIL	Note
U012287	While cruise control main switch ON, communication stop between skid control ECU (brake actuator assembly) continues for 2.6 seconds or more	CAN communication system ECM Skid control ECU (brake actuator assembly)	Does not come on	SAE: U0122

CAUTION / NOTICE / HINT

HINT:

Refer to troubleshooting in CAN Communication System (See page PROCEDURE ).

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 U012287 is not output

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

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 ...

Vehicle Control History

VEHICLE CONTROL HISTORY VEHICLE CONTROL HISTORY (a) A part of the control history can be confirmed using the vehicle control history. Click here ...

Other materials:

Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)
DESCRIPTION When the system determines that the vehicle is driving straight ahead based on signals from the yaw rate and acceleration sensor (airbag sensor assembly), etc., the millimeter wave radar sensor assembly performs self-diagnosis to check if the sensor beam axis is misaligned. C1A11 ...

Removal
REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (See page ) 2. REMOVE NO. 3 HEATER TO REGISTER DUCT 3. REMOVE INSTRUMENT PANEL WIRE ASSEMBLY (a) Using a screwdriver with its tip wrapped in protective tape, release the 3 airbag connector locks. Text in Illustr ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Manual Control The air conditioner amplifier assembly controls the damper positions (air inlet control damper, air mix control damper and ...