P0501 — Vehicle Speed Sensor "A" Range/Performance
Category: Powertrain Severity: Medium
Updated:
DTC code P0501 means: Vehicle Speed Sensor "A" Range/Performance. It falls under the "Powertrain" category, with an estimated severity of Medium. Common causes include faulty vehicle speed sensor, damaged wiring or connector and aBS wheel sensor giving a bad signal (if VSS comes from ABS); it's worth confirming the diagnosis before replacing parts.
Possible causes
- Faulty vehicle speed sensor
- Damaged wiring or connector
- ABS wheel sensor giving a bad signal (if VSS comes from ABS)
- Non-standard tire size
Symptoms
- Erratic or dead speedometer
- Harsh shifts (automatic)
- Cruise control inoperative
- Check engine light
How to diagnose it step by step
- Compare scan tool speed with GPS.
- Check the VSS connector.
- Check for ABS codes.
- Replace the sensor if the signal is irregular.
How to fix it
Compare the scan tool speed with actual speed (GPS). If it fluctuates, check the sensor and connector; on modern cars, also check the ABS wheel sensors.
Estimated repair cost
Speed sensor: $30–150; $80–250 installed.
Frequently asked questions
What does DTC code P0501 mean?
Vehicle Speed Sensor "A" Range/Performance.
Is code P0501 serious?
Severity Medium. Not urgent, but worth diagnosing to avoid bigger damage.
Can I keep driving with code P0501?
You can drive carefully; the speedometer may be unreliable.
Related codes
P0500 P0505 P0506 P0507 P0508 P0509 P0521 P0522 P0523 P0530
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