A general fault with the exterior lighting system.
Informational only. Consult a qualified mechanic.
Check all exterior bulbs and fuses.
The B0100 OBD-II diagnostic trouble code (DTC) indicates: exterior lamp general. This is a medium-severity body code that your vehicle's onboard diagnostics system triggers when a general fault with the exterior lighting system. 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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