DTC P1501: Vehicle Speed Sensor (VSS) Out Of Self-Test Range

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

P1501 - VEHICLE SPEED SENSOR (VSS) OUT OF SELF-TEST RANGE

Description:	Indicates the vehicle speed signal (VSS) input is out of self-test range. If the powertrain control module (PCM) detects a VSS input signal any time during the self-test, DTC P1501 is set and the test aborts.
Possible Causes:	Noisy VSS input signal from the radio frequency interference or electromagnetic interference external sources, such as ignition wires, the charging circuit or after market equipment
Diagnostic Aids:	Check for VSS input to be 0 km/h (0 mph) when the vehicle transmission is in PARK. Indicates the VSS input signal is out of self-test range. If the PCM detects a VSS input signal any time during the self-test, DTC P1501 is set and the test aborts. Verify the vehicle is not moving during the KOER self-test.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to the Description, Possible Causes and Diagnostic Aids for the DTC in table