VCREAR family
VCREAR_a139_NvmRedundancyLoss
Parking brake functions degraded
What does the VCREAR_a139_NvmRedundancyLoss alert mean?
The Electronic Parking Brake or Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.
What you'll see in your Tesla
- Parking brake functions degraded
- Parking brake may not apply or release
What triggers it
Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched for more than 500ms
When it clears
Electronic Parking Brake and Electronic Parking Brake Monitor states match
Potential impact
Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch
Affected models
Cybertruck
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