DI_a177_tireFitmentChanged
Description
The drive interface (DI) electronic control unit (ECU) detects a significant change in tire circumference ratio from front to rear axle, between square (similar circumference) and staggered (different circumference) during a drive cycle.
Condition
Set when vehicle detects the ratio of tire circumference from front to rear axle has changed between square (similar circumference) and staggered (different circumference) during a drive cycle, and tire config was not requested.
Clear Condition
Clear on inverter power cycle.
Potential Impact
If the tire fitment change detection is a false positive (no change in front to rear tire circumference ratio), user may experience more traction control activity. No impact if detection is a true positive (a change has occurred).
Customer Facing Message 1
Not Available
Customer Facing Message 2
Not Available
Audiences
service
Models
Cybertruck;Model 3 2017-2023;Model 3 2024+;Model S 2021+;Model X 2021+;Model Y;Model Y 2025+;Semitruck