P0500
Vehicle Speed Sensor Malfunction
Description
Vehicle Speed Sensor Malfunction. This powertrain diagnostic trouble code covers the engine, the fuel and ignition systems, emission control and the transmission.
OBD Codes Details
Possible Causes
Faulty speed sensor, dirty throttle body or idle air valve, vacuum leak, damaged wiring
Solution
Inspect the speed sensor and its wiring, clean the throttle body, look for vacuum leaks, relearn the idle position
Symptoms
- Speedometer reads incorrectly or stops working
- Check engine light illuminated
- Erratic or harsh automatic transmission shifting
- Cruise control fails to engage or work properly
- ABS or traction control warning light may activate
Diagnostic Recommendations
- Inspect vehicle speed sensor wiring and connector
- Test sensor output signal with a scan tool while driving
- Check sensor mounting and gear engagement in the transmission
- Inspect for damaged or corroded wiring harness
- Replace vehicle speed sensor if signal is missing or erratic
Repair Cost Estimate
- Vehicle speed sensor replacement: $80-250
- Wiring harness repair: $80-250
- Diagnostic scan: $80-150
- Transmission connector repair: $100-300
- Total diagnostic and repair: $150-800
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Fact-checking completed
Verified by:
Pavel Volkov
Created:
Information verified against official sources
Official Sources
Society of Automotive Engineers
Official OBD-II diagnostic trouble codes standard (SAE J2012)
Automotive engineering standards organization
International Organization for Standardization
International standard for vehicle diagnostic systems
International standards for automotive diagnostics
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