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BMW P2502 Code – Brake Booster Pressure Sensor Fault
Limited
Safe to drive :
BMW vehicles only
Applies only to :
Not applicable to :
This explanation does NOT apply to other brands.
Medium
Severity level :
When Does This Code Appear on the Vehicles
P2502 occurs when brake booster pressure sensor reports fault.
What This Code means on the Vehicles
BMW-specific brake booster pressure sensor issue.
Why This is different from a generic OBD2 Code
Generic scanners report brake pressure issues but not BMW-specific booster logic.
Common Situations That Trigger This Code
Faulty sensor; Vacuum leak; Module miscommunication.
What Will NOT Fix This Code
Ignoring booster sensor; Replacing unrelated parts.
How to Clear This Code on Vehicles
Inspect sensor and vacuum lines; clear code via ISTA.
Related Manufacturer Specific Codes
BMW P2500; BMW P2501
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