Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001H3XC
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 12/2021]
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): U0101,U0120,U0126,U0129,U0151,U0155,U0163,U0164,U0208,U0230,U023A,U0293,U0327,U1106,U1117; Lost Communication with TCM; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]

DTC

U0101

Lost Communication with TCM

DTC

U0120

Lost Communication With Starter / Generator Control Module

DTC

U0126

Lost Communication with Steering Angle Sensor Module

DTC

U0129

Lost Communication with Brake System Control Module

DTC

U0151

Lost Communication with Restraints Control Module

DTC

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

DTC

U0163

Lost Communication with Navigation Control Module

DTC

U0164

Lost Communication with HVAC Control Module

DTC

U0208

Lost Communication with "Seat Control Module A"

DTC

U0230

Lost Communication with Rear Gate Module

DTC

U023A

Lost Communication With Image Processing Module "A"

DTC

U0293

Lost Communication With Hybrid Powertrain Control Module

DTC

U0327

Software Incompatibility with Vehicle Security Control Module

DTC

U1106

Lost Communication with Electric Parking Brake Module

DTC

U1117

Lost Communication with Accessory Gateway

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Note

U0101

Lost Communication with TCM

The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU assembly for approximately 10 seconds or more.

  • CAN communication system
  • Hybrid vehicle control ECU assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0120

Lost Communication With Starter / Generator Control Module

The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.

  • CAN communication system
  • Certification ECU (smart key ECU assembly)
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0126

Lost Communication with Steering Angle Sensor Module

The main body ECU (multiplex network body ECU) does not receive data from the steering sensor for approximately 10 seconds or more.

  • CAN communication system
  • Steering sensor
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0129

Lost Communication with Brake System Control Module

The main body ECU (multiplex network body ECU) does not receive data from the brake booster with master cylinder assembly (skid control ECU) for approximately 10 seconds or more.

  • CAN communication system
  • Brake booster with master cylinder assembly (skid control ECU)
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0151

Lost Communication with Restraints Control Module

The main body ECU (multiplex network body ECU) does not receive data from the airbag ECU assembly for approximately 10 seconds or more.

  • CAN communication system
  • Airbag ECU assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for approximately 10 seconds or more.

  • CAN communication system
  • Combination meter assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0163

Lost Communication with Navigation Control Module

The main body ECU (multiplex network body ECU) does not receive data from the radio and display receiver assembly for approximately 10 seconds or more.

  • CAN communication system
  • Radio and display receiver assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0164

Lost Communication with HVAC Control Module

The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for approximately 10 seconds or more.

  • CAN communication system
  • Air conditioning amplifier assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0208

Lost Communication with "Seat Control Module A"

Communication stop occurs between the main body ECU (multiplex network body ECU) and position control ECU assembly continuously for 10 seconds or more.

  • CAN communication system
  • Position control ECU assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0230

Lost Communication with Rear Gate Module

Communication stop occurs between the main body ECU (multiplex network body ECU) and multiplex network door ECU continuously for 10 seconds or more.

  • CAN communication system
  • Multiplex network door ECU
  • Main body ECU (multiplex network body ECU)

Main Body

-

U023A

Lost Communication With Image Processing Module "A"

The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

  • CAN communication system
  • Forward recognition camera
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0293

Lost Communication With Hybrid Powertrain Control Module

The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU assembly for approximately 10 seconds or more.

  • CAN communication system
  • Hybrid vehicle control ECU assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U0327

Software Incompatibility with Vehicle Security Control Module

The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.

  • CAN communication system
  • Certification ECU (smart key ECU assembly)
  • Main body ECU (multiplex network body ECU)

Main Body

-

U1106

Lost Communication with Electric Parking Brake Module

The main body ECU (multiplex network body ECU) does not receive data from the parking brake ECU assembly for approximately 10 seconds or more.

  • CAN communication system
  • Parking brake ECU assembly
  • Main body ECU (multiplex network body ECU)

Main Body

-

U1117

Lost Communication with Accessory Gateway

The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for approximately 10 seconds or more.

  • CAN communication system
  • Option connector (bus buffer ECU)
  • Main body ECU (multiplex network body ECU)

Main Body

w/ Bus Buffer ECU

PROCEDURE

1.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Clear DTCs.

(e) Clear the DTCs.

Body Electrical > Main Body > Clear DTCs

NEXT

2.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Main Body / Trouble Codes.

(f) Check for DTCs.

Body Electrical > Main Body > Trouble Codes

OK:

DTCs are not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM