Last Modified: 11-13-2015 6.6 C Doc ID: RM000001DXS04LX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): C1337; Diameter
of the Tire is not Uniform; 2016 MY Tacoma [08/2015 - ]
DTC C1337 Diameter of the Tire is not Uniform
The skid control ECU (master cylinder solenoid) measures the speed of each wheel by receiving signals from the
speed sensors. These signals are used for recognizing whether all 4 wheels are operating properly. Therefore, all
wheel signals must be equal.
DTC NO. DTC DETECTING CONDITION TROUBLE AREAS
When either one of following condition detected:
Diameters different of 2 front wheels and 2 rear wheels.
Wheel speed sensor fault
Speed sensor rotor
Speed sensor circuit
Check the speed sensor signal after replacement .
1. CHECK TIRE SIZE
(a) Check tire size and condition of all 4 wheels.
All 4 wheels are the same size and in the same condition.
REPLACE TIRES SO THAT ALL 4 TIRES ARE SAME
2. CHECK SPEED SENSOR ROTOR
(a) Remove the drive shaft, and check around the speed sensor rotor.