OBD-II Code Volkswagen

P1155 — Volkswagen — Manifold Absolute Pressure Sensor Short to Positive

The ECU detects a short to positive voltage in the manifold absolute pressure (MAP) sensor circuit.

Brand Volkswagen
System Engine
Severity Medium
Safe to drive? Yes, with caution
Advanced scanner Not necessarily

What does code P1155 mean on Volkswagen vehicles?

The ECU detects a short to positive voltage in the manifold absolute pressure (MAP) sensor circuit.

Common symptoms

  • Poor acceleration
  • drivability issues

Possible causes

  • Faulty MAP sensor
  • wiring short to positive

Initial recommendation

Inspect MAP sensor wiring and test or replace the sensor.

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 P1155 with your vehicle's actual symptoms for more complete diagnostic guidance.

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