DTC C1337: Diameter of the Tire is not Uniform [08/2015 - 08/2019]: Procedure

1. Check the size and condition of all 4 wheels (Refer to INSPECTION [08/2015 - ] ).

   HINT: 

   The DTC is output when tire deformation or a difference in tire size is detected.

   OK

   The diameter and air pressure of all 4 tires are the same.

Result: 

NG 

REPLACE TIRES SO THAT ALL 4 TIRES ARE SAME SIZE 

Result: 

OK 

See step  2

1. Clear the DTC (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
2. Start the engine.
3. Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.
4. Check if the same DTC is recorded (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTC C1337 is output	A
   DTC C1337 is not output	B

Result: 

A 

REPLACE BRAKE ACTUATOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - 08/2019] )

Result: 

B 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )