U0276
Lost Communication With Lighting Driver Control Module D
The vehicle bus reports loss of communication with lighting driver control module D. LED matrix segments and adaptive headlamp functions driven by this node may default to a fallback beam pattern.
The vehicle bus reports loss of communication with lighting driver control module D. LED matrix segments and adaptive headlamp functions driven by this node may default to a fallback beam pattern.
Common causes
- high
Bus wiring open or shorted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-1650
- medium
Module without power or ground
A plausible cause — test and verify before replacing parts.
Typical part cost: $130-1650
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does U0276 mean?
U0276 means "Lost Communication With Lighting Driver Control Module D". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U0276?
bus wiring open or shorted; module without power or ground; module failed — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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