U2605
Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 3
U2605 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 3. Common causes: broken or damaged can bus wires, poor contact in connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced power or operating efficiency
- System transition to emergency mode
- Battery charging problems
- Errors in the operation of the hybrid system
Causes
- Broken or damaged CAN bus wires
- Poor contact in connectors
- Battery Energy Management Module Malfunction
- Battery Interface Module Fault
- Problems with module power supply
How to Fix
- Check the integrity of the CAN bus wiring
- Inspect and clean connector contacts
- Check power supply of modules
- Scan modules for additional errors
- Replace the faulty module if necessary
Related codes
FAQ
What does the U2605 code mean?
U2605 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 3
What causes a U2605 error code?
The most common causes of U2605 include: Broken or damaged CAN bus wires; Poor contact in connectors; Battery Energy Management Module Malfunction; Battery Interface Module Fault.
How do I fix a U2605 diagnostic trouble code?
To fix U2605: Check the integrity of the CAN bus wiring. Inspect and clean connector contacts. Check power supply of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2605?
Do not drive — repair immediately
How much does it cost to fix U2605?
The estimated repair cost for U2605 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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