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Diagnostic Trouble Code: B0084
Diagnostic Trouble Code Name: Front End Sensor 2
Vehicle Make: Holden
Vehicle Model: Commodore (VE)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Fuel Level Sensor Circuit Intermittent
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0461-P0464
Circuit / System Description
The fuel level sensor change resistance based on fuel level. The engine control module (ECM) monitors the signal circuits of the fuel level sensor in order to determine the fuel level. When the fuel tank is full, the resistances of the fuel level sensor is low and the ECM senses a low signal voltage on the signal circuits of the fuel level sensor. When the fuel tank is empty, the resistances of the fuel level sensor is high and the ECM senses a high signal voltage. The ECM uses the signal circuits of the fuel level sensor in order to calculate the percentage of remaining fuel in the tank. The ECM sends the fuel level percentage via High Speed CAN-Bus to the body control module (BCM). The BCM then sends the fuel level percentage via Low Speed CAN-Bus to the instrument cluster in order to control the fuel gauge.
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