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Home >> Volvo >> 2012 >> XC90 R-Design, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM) And Rear Electronic Module (Rem) - Diagnostic Trouble Codes >> Rem-4A38: Fuel Level Sensor. Signal Too Low. Intermittent Fault (2003-2004) >> Signal Too Low. Intermittent Fault >> Checking Wiring And Connectors

Checking Wiring And Connectors

Check the wiring between fuel level sensor connector terminal #7 and the rear electronic module (REM) terminal #A08 (#A8). Check for an intermittent short-circuit to ground. Check for an intermittent open-circuit.

Check the ground lead between control module terminal #A10 (#A10) and fuel level sensor connector terminal #6. Check for an intermittent open-circuit.

Check the cables between the left and right fuel level sensors. Check for an intermittent open-circuit.

Other information: 

Fig 1: Identifying Fuel Level Sensor Connector Terminals
GLL104042Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohms Display
GLL101042Courtesy of VOLVO CARS CORPORATION