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
Error code U0110 indicates that your vehicle's main computer has lost communication with the drive motor control module. This is a serious issue that primarily affects hybrid and electric vehicles, potentially causing reduced power, inability to start, or complete shutdown of the electric drive system.
Ad

Tools You'll Need

How to Fix Error Code U0110

  1. 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.
  2. Check Battery Voltage

    Ensure multimeter probes are properly insulated and make secure contact with battery terminals.
  3. Scan for Additional Codes

  4. Inspect CAN Bus Wiring

    Do not touch orange high-voltage cables. Only inspect low-voltage communication wires.
  5. Check Module Connections

    Only handle connectors with black, brown, or other non-orange colored wires. Orange cables carry high voltage.
  6. Test CAN Bus Resistance

  7. Clear Codes and Test

Parts You May Need

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
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
Ad

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.