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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  This step determines if the fault is present.
  2. 3:  This step determines if the fuel level sensor signal and ground circuits are OK.
DTC P0461

Step Action Value Yes No
Schematic Reference:  Instrument Cluster Schematics  
Connector End View Reference:  Instrument Panel, Gages, and Console Connector End Views  
1 Did you perform the Diagnostic System Check - Instrument Cluster? - Go to Step 2  Go to Diagnostic System Check - Vehicle
2 
IMPORTANT: If DTCs P0462 or P0463 are also set, diagnose those DTCs first. Refer to DTC P0462  or DTC P0463 .
  1. Turn OFF the ignition.
  2. Disconnect the fuel level sender through the access panel under the rear seat.
  3. Jumper the fuel level sensor signal circuit to a known good ground.
  4. Turn ON the ignition, with the engine OFF.
  5. Observe the Fuel Level Sensor voltage parameter with a scan tool.
Is the fuel level voltage at the specified value?		 5 V Go to Step 3  Go to Step 5 
3 
  1. Jumper the fuel level sensor signal circuit and low reference circuits together.
  2. Observe the Fuel Level Sensor voltage parameter with a scan tool.
Is the fuel level sensor voltage at the specified value?		 5 V Go to Step 4  Go to Step 6 
4
  1. Remove the fuel sender assembly. Refer to the following:
  2. Inspect for the following:
    • A stuck fuel level sensor (i.e. the fuel strainer interfering with the sender float arm)
    • Foreign material in the fuel tank, (i.e. ice)
    • A fuel tank that is deformed
  3. If you find a condition, repair the condition as necessary.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 7 
5 Test the fuel level signal sensor circuit for an open or high resistance. Refer to Testing for Continuity and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
6 Test the low reference circuit and the fuel level signal circuit for an open or high resistance. Refer to Testing for Continuity and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
7 Replace the fuel level sender assembly. Refer to the following:
Did you complete the replacement?		 - Go to Step 10  -
8 Test for an intermittent and for a poor connection at the control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 9 
9 Replace the control module. Refer to the following:
Did you complete the replacement?		 - Go to Step 10  -
10
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?		 - Go to Step 11  Go to Step 2 
11 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?		 - Diagnostic Trouble Code (DTC) List - Vehicle System OK
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