Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001FQOD
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): U0101,U0122,U0142,U0155,U0327,U1117; Lost Communication With TCM; 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]

DTC

U0101

Lost Communication With TCM

DTC

U0122

Lost Communication With Vehicle Dynamics Control Module

DTC

U0142

Lost Communication with Body Control Module "B"

DTC

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

DTC

U0327

Lost Communication with Vehicle Security Control Module

DTC

U1117

Lost Communication with Accessory Gateway

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No.

Detection Item

Trouble Area

U0101

Lost Communication With TCM
  • CAN communication system
  • Hybrid vehicle control ECU
  • Multiplex network door ECU

U0122

Lost Communication With Vehicle Dynamics Control Module
  • CAN communication system
  • Brake booster with master cylinder assembly (skid control ECU)
  • Multiplex network door ECU

U0142

Lost Communication with Body Control Module "B"
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Multiplex network door ECU

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module
  • CAN communication system
  • Combination meter assembly
  • Multiplex network door ECU

U0327

Lost Communication with Vehicle Security Control Module
  • CAN communication system
  • Certification ECU (smart key ECU assembly)
  • Multiplex network door ECU

U1117

Lost Communication with Accessory Gateway
  • CAN communication system
  • Bus buffer ECU
  • Multiplex network door ECU

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): DTC CHECK / CLEAR

Body Electrical > Back Door > Clear DTCs

(b) Check for DTCs.

Click here 2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): DTC CHECK / CLEAR

Body Electrical > Back Door > Trouble Codes

OK:

DTC U0101, U0122, U0142, U0155, U0327 and U1117 are not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM 2019 MY RAV4 HV [11/2018 - 02/2019]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING 2019 - 2025 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING