OBD Guide

U0110

Lost Communication With Drive Motor Control Module A

U0110 is an OBD-II diagnostic trouble code meaning: Lost Communication With Drive Motor Control Module A. Common causes: broken or damaged can bus wires, poor contact in the control module connectors. 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 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

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

Related codes

Error U0110 by Vehicle Brand

FAQ

What does the U0110 code mean?

U0110 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Drive Motor Control Module A

What causes a U0110 error code?

The most common causes of U0110 include: Broken or damaged CAN bus wires; Poor contact in the control module connectors; Drive control module A fault; Control module power problems.

How do I fix a U0110 diagnostic trouble code?

To fix U0110: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0110?

Do not drive โ€” repair immediately

How much does it cost to fix U0110?

The estimated repair cost for U0110 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat