OBD Guide

U1111

Lost Odometer Message

U1111 is an OBD-II diagnostic trouble code meaning: Lost Odometer Message. Common causes: broken or damaged wiring to the odometer module, odometer module malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Incorrect mileage display
  • Errors in the operation of mileage-dependent systems
  • Check Engine Light Illuminates
  • Problems with service intervals

Causes

  • Broken or damaged wiring to the odometer module
  • Odometer module malfunction
  • Problems with the CAN bus
  • Short circuit in odometer circuit

How to Fix

  1. Check the integrity of the wiring to the odometer module
  2. Check connections at odometer module connectors
  3. Scan the CAN bus for errors
  4. If necessary, replace the odometer module

Related codes

FAQ

What does the U1111 code mean?

U1111 is an OBD-II diagnostic trouble code that indicates: Lost Odometer Message

What causes a U1111 error code?

The most common causes of U1111 include: Broken or damaged wiring to the odometer module; Odometer module malfunction; Problems with the CAN bus; Short circuit in odometer circuit.

How do I fix a U1111 diagnostic trouble code?

To fix U1111: Check the integrity of the wiring to the odometer module. Check connections at odometer module connectors. Scan the CAN bus for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1111?

Yes, but get it checked soon

How much does it cost to fix U1111?

The estimated repair cost for U1111 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat