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Discussion Starter · #1 ·
2015 sierra 3500 Denali LmL 63550 miles

Truck is running fine but these codes came up last week B2AAA P01D2 P01D1 P02D3 P02D9 P02DB
Dealer doesn't know whats wrong.



A month ago code P02D5 came up and dealer replaced injector.

Fyi Complete fuel replaced 3 months ago. I installed Airdog lift pump.

Any help is appreciated.
 

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Discussion Starter · #2 ·
Anyone else had dealer service tell you this?

Dealer, They have performed necessary resets per the internal team's suggestion and test drove the vehicle. The problem did reoccur and they are now checking for restrictions in fuel tank and fuel quality and will then ask the internal team for next step recommendations.
 
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