DTC C1348-00: Different Diameter Tire [11/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK TIRES
- Check the tire sizes to ensure that the front and rear tire sizes are not different.
Refer to INSPECTION [12/2019 - ]
HINT:
If different tire sizes are discovered, replace the tires so that the tire sizes are the same on all 4 wheels.
- Adjust the air pressure in the tires.
Refer to INSPECTION [12/2019 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 2
- Check the tire sizes to ensure that the front and rear tire sizes are not different.
- RECONFIRM DTC
- Clear the DTCs.
Powertrain > Hybrid Control > Clear DTCs
- Drive the vehicle at a speed of 30 km/h (19 mph) or more.
- Check if the same DTC is output.
Powertrain > Hybrid Control > Trouble Codes
- Check that no speed sensor DTCs are output.
Chassis > Brake/EPB > Trouble Codes
HINT:
- If C1348-00 and electronically controlled brake system DTCs are output simultaneously, check and repair the trouble areas in the electronically controlled brake system.
- 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:
Refer to FREEZE FRAME DATA [11/2023 - ]
- Electronically Controlled Brake System:
Refer to FREEZE FRAME DATA [11/2023 - ]
- Hybrid Control System:
Result
Result Proceed to DTC C1348-00 and speed sensor DTC are not output. A Speed sensor DTC is output. B DTC C1348-00 is output. C
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]
Result:
B
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]
Result:
C
REPLACE HYBRID VEHICLE CONTROL ECU. Refer to REMOVAL [11/2023 - ]
- Clear the DTCs.