OBD Guide

U064C

Lost Communication With Hybrid/EV Battery Pack Current Sensor C

U064C is an OBD-II diagnostic trouble code meaning: Lost Communication With Hybrid/EV Battery Pack Current Sensor C. Common causes: open or short circuit in the current sensor circuit, battery current sensor malfunction. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Check Engine light comes on
  • The hybrid system goes into emergency mode
  • Reduced vehicle power
  • Problems with charging a high-voltage battery
  • Possible error messages on the dashboard

Causes

  • Open or short circuit in the current sensor circuit
  • Battery current sensor malfunction
  • Connector problems or contact corrosion
  • Malfunction of the hybrid system control module
  • Damage to the high voltage system wiring harness

How to Fix

  1. Check the continuity of the current sensor circuit
  2. Check connectors and contacts for corrosion
  3. Test the current sensor with a multimeter
  4. Check error codes in the hybrid system control module
  5. If necessary, replace the current sensor or repair the wiring
  6. Repair only from an authorized dealer

Related codes

Error U064C by Vehicle Brand

FAQ

What does the U064C code mean?

U064C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Hybrid/EV Battery Pack Current Sensor C

What causes a U064C error code?

The most common causes of U064C include: Open or short circuit in the current sensor circuit; Battery current sensor malfunction; Connector problems or contact corrosion; Malfunction of the hybrid system control module.

How do I fix a U064C diagnostic trouble code?

To fix U064C: Check the continuity of the current sensor circuit. Check connectors and contacts for corrosion. Test the current sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U064C?

Do not drive โ€” repair immediately

How much does it cost to fix U064C?

The estimated repair cost for U064C is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat