SEE MORE:
FUEL PUMP CIRCUIT TROUBLESHOOTING
If you suspect a problem with the fuel pump, check that the fuel pump
actually runs; when it is on, you will hear
some noise if you listen to the fuel fill port with the fuel fill cap removed.
The fuel pump should run for 2
seconds when the vehicle is turned to ON
DTC (Gauge Control Module)
NOTE:
Before update the gauge control module, make sure the 12 volt battery in
the vehicle is fully charged, and
connect a 12 volt jumper battery (not a battery charger) to maintain system
voltage.
Never turn the vehicle to the ACCESSORY mode or OFF (LOCK) mode, d