U0181 GMC Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 GMC Description Modules

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U0181 PONTIAC Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 PONTIAC Description Modules

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U0181 SATURN Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 SATURN Description Modules

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U0181 BUICK Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 BUICK Description Modules

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U0181 CADILLAC Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 CADILLAC Description Modules

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U0181 CHEVROLET Lost Communication With Dynamic Headlamp Leveling Control Module

Possible causes – Faulty Dynamic Headlamp Leveling (DHL) Control Module– DHL Control Module harness is open or shorted– DHL Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0181 CHEVROLET Description Modules

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