PMRER family
PMRER_a026_diHeartBeatMIA
Not Available
What does the PMRER_a026_diHeartBeatMIA alert mean?
Pedal Monitor Warning: DI Heartbeat is missing.
What you'll see in your Tesla
- Not Available
What triggers it
The safety monitor sets this condition when DI Heartbeat communication is too fast or too slow.
When it clears
This alert will clear when DI Heartbeat communication are considered rational.
Potential impact
The safety monitor will initiate a unit limp condition for the remainder of the drive cycle.
Affected models
Cybertruck
Model S 2021+
Model X 2021+
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.