Fuel Level Sensors
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The fuel tank has 2 fuel level sensors to measure the amount of fuel in the left and right sides of the fuel tank. The left passive fuel level sensor B is attached to the fuel tank internal bracket The right active fuel level sensor A is attached to the outside of the fuel pump swirl pot. Both fuel level sensors are connected to the vehicle wiring harness via the wiring harness connector on the fuel pump module top flange assembly.
The 2 fuel level sensors are hardwired to the Body Control Module/Gateway Module (BCM/GWM).