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PaulS5a, Dodge Technician
Category: Dodge
Satisfied Customers: 69
Experience:  ASE master technician Level 4 Chrysler training and 20 yrs exp. repairing vehicles
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engine code 2004.5 Ram 2500 Cummins shows P480 and P243

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engine code 2004.5 Ram 2500 Cummins shows P480 and P243
The po480 is for the fan clutch and the p243 is for wastegate pressure control. I would replace the fan clutch first and erase the codes b4 going to deep into the other code. When the fan clutch goes bad it can short a reference voltage that causes alot of false codes. The fan clutch has been a common problem on the diesels.
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