Vehicle Speed Sensor A Low Input
2014-2014 Lincoln MKX 3.5L V6
The 2014 Lincoln MKX is equipped with a 3.5L V6 engine. Below you'll find detailed p0502 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Low or no signal from VSS.
Symptoms
- Speedometer reads zero
- No shifting
- Cruise control dead
Common Causes
- Faulty VSS
- Open circuit
- Disconnected sensor
Diagnostic Steps
- Test signal output
- Check wiring
- Test sensor
Repair Notes
Replace VSS or repair wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0502 on Other Vehicles
Lincoln Aviator
2003-2003 4.6L V8 DOHC
Lincoln Aviator
2004-2004 4.6L V8 DOHC
Lincoln Aviator
2005-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2020 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo Hybrid
Lincoln Aviator
2021-2021 3.0L Twin-Turbo V6
Lincoln Aviator
2021-2021 3.0L V6 Twin Turbo
Common Questions
What does code P0502 mean on a 2014-2014 Lincoln MKX?
P0502 stands for "Vehicle Speed Sensor A Low Input". Low or no signal from VSS.
What are the symptoms of P0502 on a Lincoln MKX?
Common symptoms of P0502 include: Speedometer reads zero, No shifting, Cruise control dead.
What causes P0502 on a 2014-2014 Lincoln MKX?
Common causes of P0502 include: Faulty VSS, Open circuit, Disconnected sensor.
Last updated: March 2026