Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001H97P
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): U0100-U0142,U0151,U0155,U0293; Lost Communication With ECM/PCM "A"; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

U0100

Lost Communication With ECM/PCM "A"

DTC

U0131

Lost Communication With Power Steering Control Module

DTC

U0142

Lost Communication With Body Control Module "B"

DTC

U0151

Lost Communication With Restraints Control Module

DTC

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

DTC

U0293

Lost Communication with HV ECU

DESCRIPTION

These DTCs are stored when the CAN communication system is malfunctioning.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

U0100

Lost Communication With ECM/PCM "A"

No communication with ECM

  • CAN communication system
  • ECM

Memorized

U0131

Lost Communication With Power Steering Control Module

No communication with power steering ECU with motor assembly

  • CAN communication system
  • Power steering ECU with motor assembly

Memorized

U0142

Lost Communication With Body Control Module "B"

No communication with main body ECU (multiplex network body ECU)

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

Memorized

U0151

Lost Communication With Restraints Control Module

No communication with airbag sensor assembly

  • CAN communication system
  • Airbag sensor assembly

Memorized

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

No communication with combination meter assembly

  • CAN communication system
  • Combination meter assembly

Memorized

U0293

Lost Communication with HV ECU

No communication with hybrid vehicle control ECU

  • CAN communication system
  • Hybrid vehicle control ECU

Memorized

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

HINT:

Refer to CAN Communication System.

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

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END