TSB Document:

Affected Component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

Summary
This Prelimary information informs the dealer of a diagnotic trouble code that may set due to a failed high pressure fuel pump. Dealers are to check fuel pressure as per current testing outlined in GM service information and replace the fuel pump if needed.

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Date Published
MAR 25, 2020
NHTSA TSB #
10173721
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