OBD Guide

U024A

Lost Communication With Interior Lighting Control Module A

U024A is an OBD-II diagnostic trouble code meaning: Lost Communication With Interior Lighting Control Module A. Common causes: open or short circuit in wiring, lighting control module malfunction. Estimated repair cost: $17–89.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Interior lighting does not work
  • Dashboard light does not turn on
  • The lamp does not respond to door openings
  • Error message on display
  • Problems with other comfort systems

Causes

  • Open or short circuit in wiring
  • Lighting control module malfunction
  • Fuse problems
  • Contact corrosion
  • Problems with the CAN bus

How to Fix

  1. Check the lighting module fuses
  2. Diagnose wiring integrity
  3. Check the power supply and ground of the module
  4. Scan other modules for communication errors
  5. Replace the faulty module if necessary

Related codes

Error U024A by Vehicle Brand

FAQ

What does the U024A code mean?

U024A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Interior Lighting Control Module A

What causes a U024A error code?

The most common causes of U024A include: Open or short circuit in wiring; Lighting control module malfunction; Fuse problems; Contact corrosion.

How do I fix a U024A diagnostic trouble code?

To fix U024A: Check the lighting module fuses. Diagnose wiring integrity. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U024A?

Yes, but get it checked soon

How much does it cost to fix U024A?

The estimated repair cost for U024A is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat