OBD code U0284

Asked by Nov 06, 2016 at 09:46 AM about the 2015 Subaru Legacy 2.5i Premium

Question type: Maintenance & Repair

what does this code refer to?  appears to be a hard code.

3 Answers

52,795

Are you sure about that code? It may indicate some sort of network communication error but there is no listing for that number. Since your car is under warranty, take it to a Subaru dealer. http://www.totalcardiagnostics.com/support/Knowledgebase/Article/ View/21/0/genericmanufacturer-obd2-codes-and-their-meanings

3,680

Ditto. PO284 is a Ford code, btw.

found diagnosis at dealer; (lost communication with active grill shutter module.) the grill shutter was not opening or closing. This was a hard code and dealer only reset.

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