When inspecting the truck's instrument cluster, several warning lights remain illuminated after engine start. The MOST likely cause is:

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Multiple choice — select the best answer

ANormal self-test function.
BLow battery voltage.
CFaulty instrument cluster ground connection.
DSimultaneous failure of multiple systems.

✓ Correct answer: C. Faulty instrument cluster ground connection. A faulty instrument cluster ground connection can cause multiple warning lights to stay illuminated after startup, as proper grounding is essential for the electrical system to function correctly.

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When inspecting the truck's instrument cluster, several warning lights remain illuminated after engine start. The MOST likely cause is:

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