Error code P0500 is displayed and the check engine light is on - what does this mean?
The OBD/EOBD system detects a fault in the vehicle speed sensor (VSS), which is sending no or incorrect signals to the engine control unit. This DTC P0500 affects the speed measurement system and can occur with slight deviations in the diagnosis for various manufacturers.
What causes can this error code have?
- Defective vehicle speed sensor (VSS)
- Damaged or corroded cable connections to the speed sensor
- Loose or defective plug connections on the VSS
- Broken cables in the wiring of the speed sensor
- Defective ABS control unit or wheel speed sensors
- Dirty or damaged sensor ring on the gearbox
- Faulty ground connection of the speed sensor
- Defective engine control unit (ECU)
What symptoms occur in parallel with fault code P0500?
- Speed display: The speedometer shows no or incorrect speed values
- ABS problems: The ABS system is not working properly or fails
- Shifting problems: Automatic transmission shifts erratically or stays in one gear
- Cruise control: Cruise control is not working
- Idling problems: Unsteady idling or increased idling speed
- Fuel consumption: Increased fuel consumption due to incorrect engine management
How can I fix the problem with error code P0500?
- Repairing trouble code P0500 requires a systematic diagnosis of the speed sensor components.
- Remove the vehicle speed sensor from the transmission, clean it or replace it completely
- Check all cable connections to the VSS for damage and repair or replace defective cables
- Clean plug connections on the speed sensor, treat with contact spray and connect firmly
- Check ABS wheel speed sensors and replace if defective, as these serve as a backup for the VSS
- Clean the sensor ring on the gearbox or differential and check for damage
- Check the ground connections of the sensor and clean or replace corroded ground points
- Delete error code with OBD scanner and carry out test drive to check success
FAQ - Frequently asked questions about DTC P0500
Can I continue driving with error code P0500?
Short distances are possible, but not recommended. Fault code P0500 impairs important safety systems such as ABS and can lead to shifting problems. A prompt repair is advisable.
How much does it cost to repair fault code P0500?
The costs vary depending on the cause: sensor replacement 50-150 euros, cable repair 80-200 euros, ABS sensor 100-250 euros. Diagnosis costs an additional 50-100 euros in the workshop.
How can I diagnose the P0500 code myself?
Use an OBD scanner to read out the eobd code, visually check the cable connections and check that the plug connections are firmly seated. A multimeter measurement on the VSS shows whether the sensor is sending signals.
Does error code P0500 occur at certain speeds?
Code P0500 is usually detected at speeds above 25 km/h if the control unit expects a speed signal but does not receive one. It often goes unnoticed when the vehicle is stationary or driving very slowly.
Can a defective ABS system cause the P0500 code?
Yes, modern vehicles use ABS wheel speed sensors as a backup for the main speed sensor. Defective ABS sensors can therefore trigger DTC P0500.
Does the error code P0500 disappear by itself?
No, this code does not disappear automatically. Even after deletion with a scanner, it returns as long as the root cause has not been rectified. A permanent repair is required.
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