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Home >> Ford >> 2021 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P1501 - Vehicle Speed Sensor Out Of Self Test Range

P1501 - Vehicle Speed Sensor Out Of Self Test Range

DTC DESCRIPTION P1501 - VEHICLE SPEED SENSOR OUT OF SELF TEST RANGE

Description:  This DTC sets when the VSS input signal is out of self-test range. If the PCM detects a VSS input signal any time during the self-test, this DTC sets and the test aborts.
Possible Causes: 
  • Electrical noise on the VSS input signal from radio frequency interference or electro magnetic interference
  • External sources, such as ignition wires, the charging circuit or aftermarket equipment
Diagnostic Aids:  Verify the VSS input is 0 km/h (0 mph) when the vehicle transmission is in PARK.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Automatic Transmission GO to Pinpoint Test DF.
Manual Transmission GO to Pinpoint Test DP.
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