Communication with a door control module has been lost.
Informational only. Consult a qualified mechanic.
Inspect door jamb wiring for damage. Replace door module if needed.
The U0199 OBD-II diagnostic trouble code (DTC) indicates: lost communication with door control module. This is a low-severity network code that your vehicle's onboard diagnostics system triggers when communication with a door control module has been lost. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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