U064C: Lost Communication With Hybrid/EV Battery Pack Current Sensor C
Severity
Medium
System
Vehicle Systems
What Does U064C Mean?
U064C is a diagnostic trouble code indicating: Lost Communication With Hybrid/EV Battery Pack Current Sensor C. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Symptoms of U064C
- ⚠️ Check Engine Light (MIL) illuminated
- ⚠️ No communication with Hybrid/EV Battery Pack Current Sensor C
- ⚠️ Multiple warning lights may illuminate simultaneously
- ⚠️ Related system completely inoperative
- ⚠️ System warning light illuminated
Common Causes
- 🔍 CAN bus wiring fault (open or shorted) to Hybrid/EV Battery Pack Current Sensor C
- 🔍 Power or ground supply issue to Hybrid/EV Battery Pack Current Sensor C
- 🔍 Hybrid/EV Battery Pack Current Sensor C internal failure
- 🔍 Water intrusion damaging module or connectors
- 🔍 CAN bus termination resistor fault
Frequently Asked Questions
What does U064C mean?
U064C indicates: Lost Communication With Hybrid/EV Battery Pack Current Sensor C. The vehicle's computer has detected that the Hybrid/EV Battery Pack Current Sensor C is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code U064C?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U064C for extended periods may cause additional problems.
How much does it cost to fix U064C?
Repair costs for U064C typically range from $80 to $800, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.
What To Do Next
Possible Fixes
- 🔧 Inspect CAN bus wiring to Hybrid/EV Battery Pack Current Sensor C for damage
- 🔧 Check power and ground supply to Hybrid/EV Battery Pack Current Sensor C
- 🔧 Replace failed Hybrid/EV Battery Pack Current Sensor C
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
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