DI_a190 — Tire Rotation Recommended

Full alert identifier: DI_a190_tireRotationRecommended

Alert description

The vehicle sensors have detected the tire tread depth in the rear tires exceeds a threshold of 1.5mm relative to the front tires. The vehicle may be overdue for a tire rotation.

Potential impact

Failure to rotate tires decreases the life of tires, posing road safety concerns and requiring premature tire replacement.

Set condition

The Drive Inverter (DI) system has detected tire tread depth in the rear tires has exceeded a threshold of 1.5mm relative to the front tires.

Clear condition

Rotate the tires as recommended and/or run Tire Configuration in the Service UI tab. (Additionally, alert will momentarily clear when not in PARK but return when shifted back into PARK)

Signals to check

These diagnostic fields are associated with DI_a190. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Relative Tire Tread Depth `DI_a190_relativeTireTreadDepth`	mm
Tread Wear Factor Avg Confidence `DI_a190_treadWearFactorAvgConfidence`	ratio
Tread Wear Factor Fr L `DI_a190_treadWearFactorFrL`	ratio
Tread Wear Factor Fr R `DI_a190_treadWearFactorFrR`	ratio
Tread Wear Factor Re L `DI_a190_treadWearFactorReL`	ratio

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a190.