Question

2005 Chevrolet Tahoe 4.8L with engine code P0463, is there a recall for this code?

Answer 1

P0463 Fuel level sensor 1 circuit high voltage

The fule level sensor is part of the fuel pump module, The PCM uses the fuel level to run a EVAP test condition. There is no recall for this code.This can just be a poor connection at the fuel pump module, or the fuel level sensor Chevy has produced a TSB about this TSB # 05-00-89-078C what this is about is Chevy blames it on the fuel in todays gasoline leaving deposit on the sending unit.and recommends adding a GM fuel system treatment when refueling.

Answer 2

P0463 CHEVROLET - Fuel Level Sensor Circuit High Input

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