What does code P1555 mean on Volkswagen vehicles?
The measured turbocharger charge pressure exceeds the maximum specified limit.
OBD-II Code Volkswagen
P1555 — Volkswagen — Charge Pressure Upper Limit Exceeded
The measured turbocharger charge pressure exceeds the maximum specified limit.
Common symptoms
- Engine protection mode activated
Possible causes
- Overboost condition
- faulty boost control valve
- wastegate malfunction
Initial recommendation
Perform turbocharger diagnostics and inspect boost control system.
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 P1555 with your vehicle's actual symptoms for more complete diagnostic guidance.
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