What does code P1477 mean on Volkswagen vehicles?
The ECU detects a general malfunction of the EVAP Leak Detection Pump (LDP).
OBD-II Code Volkswagen
P1477 — Volkswagen — EVAP Control System LDP Malfunction
The ECU detects a general malfunction of the EVAP Leak Detection Pump (LDP).
Common symptoms
- Increased emissions
Possible causes
- Faulty LDP module
Initial recommendation
Perform full EVAP system diagnostics and test LDP module.
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 P1477 with your vehicle's actual symptoms for more complete diagnostic guidance.
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