PMR family
PMR_a055_resolver
Not Available
What does the PMR_a055_resolver alert mean?
Pedal Monitor Warning: Resolver operation abnormal.
What you'll see in your Tesla
- Not Available
What triggers it
The safety monitor sets this condition when resolver speed or angle measurements in correspondence with DI are considered irrational or out of bounds.
When it clears
This alert will clear on the next drive cycle.
Potential impact
The safety monitor will inhibit torque and excess heat production for the remainder of the drive cycle.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.