Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)

Toyota Tacoma 2015-2018 Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)

DESCRIPTION

These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication system.

DTC No.

DTC Detection Condition

Trouble Area

U0100

Lost Communication with ECM / PCM "A"

CAN communication system

U0101

Lost Communication with TCM

U0142

Lost Communication with Body Control Module "B"

U0155

Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)

HINT:

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.

PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTCs (See page (b) Check for DTCs (See page  ). ).

(b) Check for DTCs (See page Result ).

Result

Result

Proceed to

DTCs (CAN communication system DTC) are output

A

No DTCs are output

B

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Intuitive Parking Assist System DTC Code Detection Item See page C1AE6 Rear Left Sensor Malfunction ...

Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION The No. 1 ultrasonic sensor (rear center sensor RH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear center ...

Other materials:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (USING TECHSTREAM) (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON. (d) Turn the Techstream on. (e) Enter the following menus: Chassis / Tire Pressure Monito ...

GPS Mark is not Displayed
PROCEDURE 1. CHECK CABIN (a) Check the cabin for any object that might interrupt radio reception or additional devices which use radio waves on the instrument panel. If such an object exists, remove it and check if the GPS mark reappears. HINT: The GPS uses ex ...

Precaution
PRECAUTION 1. HANDLING PRECAUTIONS ON STEERING SYSTEM (a) Care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in driving hazards. 2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM (a) The vehicle is equipped with a SRS (Supplem ...

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