P0503
Vehicle Speed Sensor A Intermittent/Erratic/High
2014-2021 BMW i3 Range Extender
Moderate SeverityPowertrainGeneric (SAE)
Description
Intermittent or erratic VSS signal.
Symptoms
- Erratic speedometer
- Random shifts
- Intermittent cruise issues
Common Causes
- Loose connector
- Damaged wiring
- Worn tone ring
- Sensor going bad
Diagnostic Steps
- Wiggle test connector
- Monitor signal stability
- Inspect tone ring
Repair Notes
Repair connector or replace sensor.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P0503 on Other Vehicles
Common Questions
What does code P0503 mean on a 2014-2021 BMW i3?
P0503 stands for "Vehicle Speed Sensor A Intermittent/Erratic/High". Intermittent or erratic VSS signal.
What are the symptoms of P0503 on a BMW i3?
Common symptoms of P0503 include: Erratic speedometer, Random shifts, Intermittent cruise issues.
What causes P0503 on a 2014-2021 BMW i3?
Common causes of P0503 include: Loose connector, Damaged wiring, Worn tone ring, Sensor going bad.