DI family
DI_a121_crawlTorqueInStandstill
Trail Assist remains active when stopped
What does the DI_a121_crawlTorqueInStandstill alert mean?
The drive interface (DI) electronic control unit (ECU) detects that crawl torque has been active at standstill for a prolonged period.
What you'll see in your Tesla
- Trail Assist remains active when stopped
- Press brake pedal firmly to deactivate
What triggers it
The vehicle sits at standstill with active crawl torque for some time.
When it clears
The DI ECU detects that the vehicle begins moving or enters Vehicle Hold.
Potential impact
The drive units may become heat soaked, resulting in reduced system performance.
Affected models
Cybertruck
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.