OBD Guide

U1119

Lost Front Control Module Message

U1119 is an OBD-II diagnostic trouble code meaning: Lost Front Control Module Message. Common causes: open or short circuit in the communication circuit, front control module malfunction. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect operation of systems controlled by the front module
  • Loss of data on the dashboard
  • Problems with security systems
  • Reduced engine performance

Causes

  • Open or short circuit in the communication circuit
  • Front control module malfunction
  • Corrosion of connector contacts
  • Module power problems
  • Software errors in the module

How to Fix

  1. Check the integrity of the wiring harness between the modules
  2. Check connector contacts for corrosion
  3. Check the power and ground of the front control module
  4. Read advanced trouble codes for accurate diagnosis
  5. If necessary, replace the front control module

Related codes

FAQ

What does the U1119 code mean?

U1119 is an OBD-II diagnostic trouble code that indicates: Lost Front Control Module Message

What causes a U1119 error code?

The most common causes of U1119 include: Open or short circuit in the communication circuit; Front control module malfunction; Corrosion of connector contacts; Module power problems.

How do I fix a U1119 diagnostic trouble code?

To fix U1119: Check the integrity of the wiring harness between the modules. Check connector contacts for corrosion. Check the power and ground of the front control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1119?

Yes, but get it checked soon

How much does it cost to fix U1119?

The estimated repair cost for U1119 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat