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:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL 2. REMOVE REAR WHEEL 3. REMOVE TIRE PRESSURE WARNING VALVE AND TRANSMITTER (a) Remove the cap and valve core to release the air from the tire. NOTICE: Keep the removed cap and valve core. (b) After ensuring that a sufficient amount of air has been rele ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL FRONT COIL SPRING (a) Install SST to the front coil spring, and secure SST in a vise. SST: 09727-00 ...

Open or Short in Front Speed Sensor RH Circuit (C1405,C1406)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC No. Detection Item DTC Detection Condition Trouble Area C1405 Open or Short in Front Speed Sensor RH Circuit Either of the following is detected: ...