U2502
Invalid Data Received From Electronic Brake Control Module On Chassis Expansion CAN Bus
U2502 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Electronic Brake Control Module On Chassis Expansion CAN Bus. Common causes: brake control module malfunction, open or short circuit in the can bus. Estimated repair cost: $56–278.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Loss of functionality of the stabilization system
- Incorrect operation of the anti-lock braking system
- Errors in other related systems
- Problems with cruise control
Causes
- Brake control module malfunction
- Open or short circuit in the CAN bus
- Module power problems
- Corrosion of contacts in connectors
- Software error in the ECU
How to Fix
- Check the integrity of the CAN bus and connections
- Diagnose the brake control module
- Check the power supply and ground of the module
- Update ECU software
- Replace the faulty module if necessary
Related codes
FAQ
What does the U2502 code mean?
U2502 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Electronic Brake Control Module On Chassis Expansion CAN Bus
What causes a U2502 error code?
The most common causes of U2502 include: Brake control module malfunction; Open or short circuit in the CAN bus; Module power problems; Corrosion of contacts in connectors.
How do I fix a U2502 diagnostic trouble code?
To fix U2502: Check the integrity of the CAN bus and connections. Diagnose the brake control module. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2502?
Do not drive — repair immediately
How much does it cost to fix U2502?
The estimated repair cost for U2502 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat