What does code P1387 mean on Volkswagen vehicles?
The ECU detects a malfunction in the internal altitude (barometric pressure) sensor.
OBD-II Code Volkswagen
P1387 — Volkswagen — Control Unit Internal Altitude Sensor Malfunction
The ECU detects a malfunction in the internal altitude (barometric pressure) sensor.
Common symptoms
- Check engine light
Possible causes
- Faulty internal ECU altitude sensor
Initial recommendation
Diagnose ECU internal sensors and verify barometric data.
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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