U04A7
Invalid Data Received From Hybrid/EV Battery Interface Control Module G
U04A7 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Hybrid/EV Battery Interface Control Module G. Common causes: battery management module malfunction, damage to the can bus. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Reduced vehicle power
- Limitation of hybrid system operation
- Inability to charge the battery
- Error message on the dashboard
Causes
- Battery management module malfunction
- Damage to the CAN bus
- Open or short circuit in wiring
- Module power problems
- Software errors in the control module
How to Fix
- Check connections and integrity of wiring to the module
- Scan the CAN bus for errors
- Check power supply and grounding of the module
- Update module software
- If necessary, replace the battery management module
- Repair only from an authorized dealer
Related codes
Error U04A7 by Vehicle Brand
FAQ
What does the U04A7 code mean?
U04A7 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Hybrid/EV Battery Interface Control Module G
What causes a U04A7 error code?
The most common causes of U04A7 include: Battery management module malfunction; Damage to the CAN bus; Open or short circuit in wiring; Module power problems.
How do I fix a U04A7 diagnostic trouble code?
To fix U04A7: Check connections and integrity of wiring to the module. Scan the CAN bus for errors. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U04A7?
Limited driving only, diagnose soon
How much does it cost to fix U04A7?
The estimated repair cost for U04A7 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat