OBD-II Network Error Code U0110: How to Fix It
Medium 45-90 minutes High Severity
Verified June 2026
- Error Code
- U0110
- Brand
- OBD-II Network
- Product Type
- automotive
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 45-90 minutes
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Tools You'll Need
- OBD-II scanner with full module capability
- Digital multimeter
- Basic hand tools
- Electrical contact cleaner
- Safety glasses
How to Fix Error Code U0110
-
Safety First - Power Down Vehicle
Hybrid and electric vehicles contain high-voltage systems that can cause serious injury or death. Never attempt repairs on high-voltage orange cables without proper training. -
Check Battery Voltage
Ensure multimeter probes are properly insulated and make secure contact with battery terminals. -
Scan for Additional Codes
-
Inspect CAN Bus Wiring
Do not touch orange high-voltage cables. Only inspect low-voltage communication wires. -
Check Module Connections
Only handle connectors with black, brown, or other non-orange colored wires. Orange cables carry high voltage. -
Test CAN Bus Resistance
-
Clear Codes and Test
Parts You May Need
12V auxiliary battery
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CAN bus wiring harness
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Drive motor control module
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Electrical connectors
Check Price on Amazon
12V auxiliary battery
Check Price on Amazon
CAN bus wiring harness
Check Price on Amazon
Drive motor control module
Check Price on Amazon
Electrical connectors
Check Price on Amazon
12V auxiliary battery
Check Price on Amazon
CAN bus wiring harness
Check Price on Amazon
Drive motor control module
Check Price on Amazon
Electrical connectors
Check Price on Amazon
12V auxiliary battery
Check Price on Amazon
CAN bus wiring harness
Check Price on Amazon
Drive motor control module
Check Price on Amazon
Electrical connectors
Check Price on Amazon
12V auxiliary battery
Check Price on Amazon
CAN bus wiring harness
Check Price on Amazon
Drive motor control module
Check Price on Amazon
Electrical connectors
Check Price on Amazon
12V auxiliary battery
Check Price on Amazon
CAN bus wiring harness
Check Price on Amazon
Drive motor control module
Check Price on Amazon
Electrical connectors
Check Price on Amazon
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When to Call a Professional
Call a qualified hybrid/electric vehicle technician immediately if you find damaged high-voltage cables, if the code persists after basic troubleshooting, or if you're uncomfortable working around hybrid systems. This error can indicate expensive module failures that require specialized diagnostic equipment.Frequently Asked Questions
Can I drive my car with error code U0110?
It's not recommended to drive with U0110 as it affects the drive motor control system. You may experience reduced power, inability to start, or sudden loss of electric drive assistance. Have it diagnosed immediately.
What causes U0110 error code in hybrid vehicles?
Common causes include weak 12V battery, damaged CAN bus wiring, corroded connections, faulty drive motor control module, or software glitches. Water damage and rodent damage to wiring are also frequent culprits.
How much does it cost to fix error code U0110?
Repair costs range from $100-200 for simple wiring repairs to $2000-4000 for drive motor control module replacement. Diagnostic fees typically run $150-300 at specialized shops.
Is U0110 covered under hybrid battery warranty?
The drive motor control module may be covered under your vehicle's hybrid system warranty, which often extends to 8-10 years or 100,000-150,000 miles. Check your warranty documentation or contact your dealer.