U2401
Battery Energy Control Module Dedicated Bus 1 Off
U2401 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Dedicated Bus 1 Off. Common causes: problems with module wiring or connectors, battery energy management module malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Problems with the start-stop system
- Low battery power
- Errors in other vehicle systems
Causes
- Problems with module wiring or connectors
- Battery Energy Management Module Malfunction
- Module power problems
- Short circuit in communication circuit
- Module software error
How to Fix
- Check the integrity of the wiring and module connectors
- Check the power supply and ground of the module
- Scan other modules for related errors
- Flash or replace the battery energy management module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U2401 code mean?
U2401 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Dedicated Bus 1 Off
What causes a U2401 error code?
The most common causes of U2401 include: Problems with module wiring or connectors; Battery Energy Management Module Malfunction; Module power problems; Short circuit in communication circuit.
How do I fix a U2401 diagnostic trouble code?
To fix U2401: Check the integrity of the wiring and module connectors. Check the power supply and ground of the module. Scan other modules for related errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2401?
Yes, but get it checked soon
How much does it cost to fix U2401?
The estimated repair cost for U2401 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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