DTC C1337/37 Different Diameter Tire Malfunction: Description
WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU measures the speed of each wheel by receiving signals from the speed sensor. These signals are used for recognizing that all 4 wheels are operating properly. Therefore, all wheel signals must be equal.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1337/37 | With vehicle speed at 20 km/h (12 mph), condition that difference in average speed between front wheels and rear wheels is 20% or more continues for 20 seconds, and occurs consecutively 3 times each time the vehicle is driven. | Tire size |