Fuel Level Sending Unit Failure

Tests 1 - 3:

Tests 4 - 5:

SYMPTOM
FUEL LEVEL SENDING UNIT FAILURE

WHEN MONITORED
With the ignition ON.

SET CONDITION
The BCM detects excessive voltage on the fuel level sensor signal circuit.

POSSIBLE CAUSES
- Fuel pump module
- Ground circuit open
- Measure the fuel level sensor signal circuit
- Open fuel level sensor signal circuit
- Body control module
- Body control module