DPP2 family
DPP2_a026_criticalDataFail
Not Available
What does the DPP2_a026_criticalDataFail alert mean?
Dual Power Pump (DPP) assist halted due to safety critical data being corrupted.
What you'll see in your Tesla
- Not Available
What triggers it
Non-writable or safety critical data in the DPP ECU is corrupt
When it clears
System reset
Potential impact
Steering assist unavailable
Affected models
Semitruck
Track your Tesla's alerts automatically
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.