What does code P1506 mean on Volkswagen vehicles?
The ECU detects that the closed throttle position switch does not open or is shorted to ground.
OBD-II Code Volkswagen
P1506 — Volkswagen — Closed Throttle Position Switch Does Not Open / Short to Ground
The ECU detects that the closed throttle position switch does not open or is shorted to ground.
Common symptoms
- High idle speed
- idle control issues
Possible causes
- Faulty throttle position switch
- wiring short to ground
Initial recommendation
Inspect throttle position switch operation and repair wiring as needed.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Volkswagen code P1506 with your vehicle's actual symptoms for more complete diagnostic guidance.
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