Fault Code P0503
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0503
Vehicle Speed Sensor A Intermittent/Erratic/High
Code P0503 indicates that the signal from the Vehicle Speed Sensor (VSS) is intermittent, erratic, or too high. This can affect the operation of vehicle systems that rely on speed information.
Part Details
Part Name
Vehicle Speed Sensor (VSS)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪250 - ₪850
Engine Location
Transmission/Wheel
Symptoms
- Speedometer not working or erratic
- Erratic transmission shifting
- Cruise control inoperative
- Check Engine light on
Possible Causes
- 1Faulty Vehicle Speed Sensor (VSS)
- 2Loose/damaged wiring or connectors
- 3Electromagnetic interference
- 4Defective Engine Control Module (ECM) (rare)
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