iBooster (IBST) detected Rotation Position Sensor (RPS) Cos+ or Cos-signal too low.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
IBST may not operate as expected.
iBooster (IBST) detected Rotation Position Sensor (RPS) Cos+ or Cos-signal too low.
IBST detected RPS Cos+ or Cos-signal too low.
iBooster can not recover from this condition. iBooster replacement may be required.
Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
customer, service-fix
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