Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# PI1161.
Affected Component: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
Fuel Gauge Does Not Read Full, Only Goes to 7/8 Full
Condition/Concern
Some customers may comment on the fuel gauge not reading full, only goes to 7/8 full.
This condition may be caused by build variation of the fuel level sensor sending the incorrect fuel level value to the engine control module (ECM).
Recommendation/Instructions
A new fuel fill shutoff valve and fuel level sensor have been released to address this concern
