RCU family
RCU_a012_pedalSensorNotCal
Backup power braking assist unavailable
What does the RCU_a012_pedalSensorNotCal alert mean?
The Redundant Control Unit (RCU) pedal travel sensor is not calibrated.
What you'll see in your Tesla
- Backup power braking assist unavailable
- OK to drive - Schedule service
What triggers it
The RCU pedal travel sensor is not calibrated.
When it clears
The RCU pedal travel sensor calibration routine has been successfully executed.
Potential impact
The RCU may not be able to perform backup power braking assist.
Affected models
Model Y 2025+
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