What does code P1557 mean on Volkswagen vehicles?
The actual turbocharger charge pressure is higher than requested.
OBD-II Code Volkswagen
P1557 — Volkswagen — Charge Pressure Positive Deviation
The actual turbocharger charge pressure is higher than requested.
Common symptoms
- Limp mode activation
Possible causes
- Faulty pressure sensor
- boost control valve malfunction
Initial recommendation
Diagnose turbocharger pressure regulation 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.
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