U064A
Lost Communication With Hybrid/EV Battery Pack Current Sensor A
U064A is an OBD-II diagnostic trouble code meaning: Lost Communication With Hybrid/EV Battery Pack Current Sensor A. Common causes: open or short circuit in wiring, current sensor fault. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced vehicle power
- Problems charging the hybrid battery
- The vehicle goes into emergency mode
- Error message on the dashboard
Causes
- Open or short circuit in wiring
- Current sensor fault
- Problems with the sensor connector
- Hybrid ECU malfunction
- Problems in the CAN network
How to Fix
- Check the integrity of the wiring to the sensor
- Check the sensor connector for corrosion and damage.
- Check the resistance of the current sensor
- Check the sensor supply voltage
- Scan the CAN network for errors
- Repair only from an authorized dealer
Related codes
Error U064A by Vehicle Brand
FAQ
What does the U064A code mean?
U064A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Hybrid/EV Battery Pack Current Sensor A
What causes a U064A error code?
The most common causes of U064A include: Open or short circuit in wiring; Current sensor fault; Problems with the sensor connector; Hybrid ECU malfunction.
How do I fix a U064A diagnostic trouble code?
To fix U064A: Check the integrity of the wiring to the sensor. Check the sensor connector for corrosion and damage.. Check the resistance of the current sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U064A?
Do not drive — repair immediately
How much does it cost to fix U064A?
The estimated repair cost for U064A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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