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TuningBot DTC Database · v4.37.14

P0502 Vehicle Speed Sensor Circuit Low Input

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P0502 means

P0502
Vehicle Speed Sensor Circuit Low Input Generic · engine Data confidence 90%

The control module detected that the signal in the Vehicle Speed circuit stayed below the expected operating range.

Possible causes

  • Wiring short to earth
  • VSS
  • ECM

Related and nearby codes

How to read P0502

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

502

Specific fault index within the subsystem.

Frequently asked questions about P0502

What does P0502 mean?

Vehicle Speed Sensor Circuit Low Input. The control module detected that the signal in the Vehicle Speed circuit stayed below the expected operating range.

Is P0502 generic or manufacturer-specific?

P0502 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0502 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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