U0110

Lost Communication With Drive Motor Control Module A

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
The car may go into emergency mode
Reduced engine power
Problems starting the engine
Unstable operation of the hybrid system

Causes

Broken or damaged CAN bus wires
Poor contact in the control module connectors
Drive control module A fault
Control module power problems
Main control unit (ECU) malfunction

How to Fix

Check the integrity of the CAN bus wiring
Inspect and clean the contacts of the control module connectors
Check power supply and grounding of the module
Scan other modules for communication errors
Replace the faulty control module if necessary

Related codes

U0100 U0111 U0121