DTC C1348-00: Different Diameter Tire [11/2021 - ]: Procedure

1. Check the tire sizes to ensure that the front and rear tire sizes are not different.

   Refer to INSPECTION [11/2021 - ]

   HINT: 

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

2. Adjust the air pressure in the tires.

   Refer to INSPECTION [11/2021 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Clear the DTCs.

   Powertrain > Hybrid Control > Clear DTCs 

2. Drive the vehicle at a speed of 30 km/h (19 mph) or more.
3. Check if the same DTC is output.

   Powertrain > Hybrid Control > Trouble Codes 

4. 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.

     Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 03/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2024 - ]

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

        Refer to FREEZE FRAME DATA [11/2021 - 03/2024] , or refer to FREEZE FRAME DATA [03/2024 - ]

     2. Electronically Controlled Brake System:

        Refer to FREEZE FRAME DATA [11/2021 - ]

   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 [11/2021 - ] 

Result: 

B 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 03/2024]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2024 - ] 

Result: 

C 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [11/2021 - ]