U2623
Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 11
U2623 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 11. Common causes: open or short circuit in wiring, problems with module power supply. Estimated repair cost: $56–278.
Symptoms
- Check engine light comes on
- Reduced vehicle power
- Battery charging problems
- Unusual readings on the instrument panel
- The car goes into emergency mode
Causes
- Open or short circuit in wiring
- Problems with module power supply
- Battery Energy Management Module Malfunction
- Battery Management Interface Module malfunction
- Poor connection of connectors
How to Fix
- Check the integrity of the wires between the modules
- Check the supply voltage and grounding of the modules
- Inspect connectors for corrosion or damage
- Scan both modules for additional errors
- If necessary, replace faulty modules
Related codes
FAQ
What does the U2623 code mean?
U2623 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 11
What causes a U2623 error code?
The most common causes of U2623 include: Open or short circuit in wiring; Problems with module power supply; Battery Energy Management Module Malfunction; Battery Management Interface Module malfunction.
How do I fix a U2623 diagnostic trouble code?
To fix U2623: Check the integrity of the wires between the modules. Check the supply voltage and grounding of the modules. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2623?
Do not drive — repair immediately
How much does it cost to fix U2623?
The estimated repair cost for U2623 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat