Lost Communication With Ambient Lighting Control Module
The U0247 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Ambient Lighting Control Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $100 - $500 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Interior ambient lighting not working
- Cannot change ambient light colors
- Ambient lights stuck on one color
- Lighting settings not saving
Probable Causes (Ranked by Likelihood)
- Failed ambient lighting module Very High
- LED strip failure High
- CAN bus communication error Moderate
- Software glitch in lighting controller Low
Step-by-Step Diagnostic Procedure
-
Reset ambient lighting settings
-
Check ambient light module fuse
-
Scan module for diagnostic codes
-
Inspect LED strip connections
Frequently Asked Questions
Can I drive with U0247?
Yes. Ambient lighting is purely cosmetic and does not affect driving.
What causes U0247?
Usually a software glitch or failed ambient lighting module.
How much does U0247 cost to fix?
Typically $100 to $500. A software reset often fixes it for free.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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