Toyota Tacoma Quiz
Park Assist / Monitoring

Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)

In this manual: Park Assist / Monitoring
Introduction — 15Maintenance — 8Audio / Video — 94Garage Door Opener — 7Navigation / Multi Info Display — 84Park Assist / Monitoring — 86Brake — 50Brake Control / Dynamic Control Systems — 165Parking Brake — 52gr-fks Charging — 252gr-fks Cooling — 212gr-fks Emission Control — 132gr-fks Engine Control — 322gr-fks Engine Mechanical — 332gr-fks Exhaust — 92gr-fks Fuel — 422gr-fks Ignition — 62gr-fks Intake — 72gr-fks Lubrication — 152gr-fks Starting — 38Ac60e Automatic Transmission / Transaxle — 146Axle — 19Clutch — 20Cruise Control — 168Differential — 50Drive Shaft — 6Propeller Shaft — 23Rc62f Manual Transmission / Transaxle — 34Suspension — 22Tire And Wheel — 39Vf2cm Transfer — 44Can Communication — 45Multiplex Communication — 20Power Distribution — 5Power Steering — 29Steering Column — 29Air Conditioning — 108Door Lock — 88Engine Hood / Door — 16Engine Immobiliser — 47Exterior — 55Horn — 5Interior — 18Interior Panel — 8Lighting — 93Meter / Gauge / Display — 31Mirror — 22Other System — 24Pre-collision — 40Seat — 52Seat Belt — 40Sliding Roof — 26Supplemental Restraint Systems — 139Theft Deterrent — 20Window / Glass — 53Wiper / Washer — 24
~1min read
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

Test yourself

A quick Toyota Tacoma quiz: every answer comes with an explanation and a link to the manual page.