Fuel Gauge Indicates Empty With Too Much Fuel In Tank

The fuel system has both the instrument cluster and powertrain control module (PCM) monitoring the fuel level sending unit.
- If the PCM senses fuel monitoring open circuit, the increased resistance will cause a false fuel gauge empty reading. Check for continuity between instrument cluster Pin J2-10 and Pin 13 of the powertrain control module.
- If there is no continuity, repair as necessary. If there is continuity, refer to Fuel Gauge test.