DPP1 family
DPP1_a004_inputVoltageLow
Not Available
What does the DPP1_a004_inputVoltageLow alert mean?
Dual Power Pump (DPP) assist halted due to supply undervoltage.
What you'll see in your Tesla
- Not Available
What triggers it
DPP drive Stage Voltage < 20V
When it clears
Drive stage voltage > 21V for >500ms
Potential impact
Steering assist unavailable
Affected models
Semitruck
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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.