DTC C1337 Different Diameter Tire Malfunction: Description
The skid control ECU measures the speed of each wheel by receiving signals from the speed sensors. These signals are used for recognizing that all 4 wheels are operating properly.
Therefore, all wheel signals must be equal.
DTC DETECTION CONDITION CHART
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1337 | The following occurs in 3 consecutive trips: At a vehicle speed of 20 km/h (12 mph) or more, there is a 20% difference or more in the average speed between the front wheels and rear wheels for 20 seconds or more. |
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