IBST family
IBST_a133_DTSOffsetTooLow
Power braking assist reduced
What does the IBST_a133_DTSOffsetTooLow alert mean?
iBooster (IBST) detected Differential Travel Sensor (DTS) offset is too low.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
IBST detects DTS offset is too low.
When it clears
iBooster can not recover from this condition. iBooster replacement may be required.
Potential impact
IBST may not operate as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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