GMC Sierra
P0463
The GMC Sierra T1XX (2019-Present) is experiencing issues related to the fuel tank, which may manifest as fuel leaks, difficulty in refueling, or fuel gauge inaccuracies.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Fuel System
Symptoms
5 common
- •Fuel leak under the vehicle
- •Difficulty filling the fuel tank (fuel backs up at the filler neck)
- •Inaccurate fuel gauge readings
- +2 more
Most Affected Generations
1 generation
T1XX
1
Top Affected Components
1 component
Fuel System
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0463 across all generations.