Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001OBDM
Model Year Start: 2020 Model: RAV4 HV Prod Date Range: [06/2020 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): C134800; Different Diameter Tire; 2020 - 2024 MY RAV4 HV [06/2020 -        ]

DTC

C134800

Different Diameter Tire

DESCRIPTION

If the hybrid vehicle control ECU assembly receives a signal from the skid control ECU assembly that the AWD system is malfunctioning, the hybrid vehicle control ECU assembly outputs this DTC.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

C134800

Different Diameter Tire

The vehicle is being driven in a straight line at a constant speed of 30 km/h (19 mph) or more, and the wheel speeds differ between front and rear significantly.

(1 trip detection logic)

  • Tire and wheel size
  • Tire pressure
  • Speed sensor circuit
  • Hybrid vehicle control ECU assembly

Does not come on

Master Warning:

Does not come on

PROCEDURE

1.

CHECK TIRES

(a) Check the tire sizes to ensure that the front and rear tire sizes are not different.

Click here 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION

HINT:

If different tire sizes are discovered, replace the tires so that the tire sizes are the same on all 4 wheels.

(b) Adjust the air pressure in the tires.

Click here 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION

NEXT

2.

RECONFIRM DTC

(a) Clear the DTCs.

Click here 2020 - 2022 MY RAV4 HV [06/2020 - 10/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DTC CHECK / CLEAR 2023 - 2024 MY RAV4 HV [10/2022 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DTC CHECK / CLEAR

Powertrain > Hybrid Control > Clear DTCs

(b) Turn the ignition switch to ON.

(c) Drive the vehicle at a speed of 30 km/h (19 mph) or more.

(d) Check if the same DTC is output.

Click here 2020 - 2022 MY RAV4 HV [06/2020 - 10/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DTC CHECK / CLEAR 2023 - 2024 MY RAV4 HV [10/2022 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DTC CHECK / CLEAR

Powertrain > Hybrid Control > Trouble Codes

(e) Check that no speed sensor DTCs are output.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Trouble Codes

HINT:

  • If C134800 and electronically controlled brake system DTCs are output simultaneously, check and repair the trouble areas in the electronically controlled brake system.

    Click here 2020 MY RAV4 RAV4 HV [06/2020 - 08/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2024 MY RAV4 RAV4 HV [10/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART

  • When a DTC has been stored, the vehicle condition when the DTC was stored can be determined from the freeze frame data.
    • Hybrid Control System:

      Click here 2020 - 2021 MY RAV4 HV [06/2020 - 12/2021]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): FREEZE FRAME DATA 2022 - 2024 MY RAV4 HV [12/2021 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): FREEZE FRAME DATA

    • Electronically Controlled Brake System:

      Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): FREEZE FRAME DATA 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): FREEZE FRAME DATA

Result

Proceed to

DTC C134800 and speed sensor DTC are not output.

A

Speed sensor DTC is output.

B

DTC C134800 is output.

C

A

USE SIMULATION METHOD TO CHECK

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 2020 MY RAV4 RAV4 HV [06/2020 - 08/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2024 MY RAV4 RAV4 HV [10/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART

C

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 2020 MY RAV4 HV [10/2019 - 08/2020]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2021 MY RAV4 HV [08/2020 - 12/2021]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2022 MY RAV4 HV [12/2021 - 10/2022]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2023 MY RAV4 HV [10/2022 - 10/2023]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2024 MY RAV4 HV [10/2023 -        ]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL