Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2009NAVIGATOR L RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P1501: - VEHICLE SPEED SENSOR (VSS) OUT OF SELF-TEST RANGE
2009 Lincoln Navigator L RWD
DTC P1501: - Vehicle Speed Sensor (VSS) Out Of Self-Test Range
2009 Lincoln Navigator L RWDSECTION DTC P1501: - Vehicle Speed Sensor (VSS) Out Of Self-Test Range
DTC P1501: - VEHICLE SPEED SENSOR (VSS) OUT OF SELF-TEST RANGE
| Description: | Indicates the VSS input signal 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: |
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| 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 |
| F-Super Duty | GO to Pinpoint Test DF . | GO to Pinpoint Test DF . | - |
| Expedition, Flex, MKS, Navigator, Sable, Taurus, Taurus X |
The powertrain control module (PCM) uses information from the anti-lock brake system (ABS) module and the transmission control module (TCM) to calculate vehicle speed. Check these modules for DTCs. |
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| All others | GO to Pinpoint Test DP . | GO to Pinpoint Test DP . | - |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.