PM family
PM_a057_canDataBusB
Not Available
What does the PM_a057_canDataBusB alert mean?
Pedal Monitor Warning: Secondary CAN Integrity Check Failed.
What you'll see in your Tesla
- Not Available
What triggers it
This condiiton is set when CAN communication from an offending ECU is intermittent, or fails a communication integrity check on the secondary CAN bus.
When it clears
This alert will clear when CAN communication is re-established with the offending ECU.
Potential impact
No immediate impact, may lead to indicating an MIA condition for the offending ECU if sustained.
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.