U04A5
Invalid Data Received From Hybrid/EV Battery Interface Control Module E
U04A5 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Hybrid/EV Battery Interface Control Module E. Common causes: problems with battery module wiring or connectors, battery interface control module malfunction. Estimated repair cost: $167โ889.
Symptoms
- Check Engine light comes on
- Reduced power or transition to emergency mode
- Inability to charge high voltage battery
- An error message appears on the display
- Increased fuel consumption for hybrids
Causes
- Problems with battery module wiring or connectors
- Battery Interface Control Module Malfunction
- Software errors in the control system
- Damage to the high voltage battery
- Problems with the hybrid system CAN bus
How to Fix
- Check the integrity of the wiring and module connectors
- Read complete error codes from all modules
- Update module software
- Check the condition of the high-voltage battery
- Repair only from an authorized dealer
Related codes
Error U04A5 by Vehicle Brand
FAQ
What does the U04A5 code mean?
U04A5 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Hybrid/EV Battery Interface Control Module E
What causes a U04A5 error code?
The most common causes of U04A5 include: Problems with battery module wiring or connectors; Battery Interface Control Module Malfunction; Software errors in the control system; Damage to the high voltage battery.
How do I fix a U04A5 diagnostic trouble code?
To fix U04A5: Check the integrity of the wiring and module connectors. Read complete error codes from all modules. Update module software. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U04A5?
Yes, but get it checked soon
How much does it cost to fix U04A5?
The estimated repair cost for U04A5 is $167โ889. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version ยท NationStat