OBD-II Code Infiniti

P1105 — Infiniti — MAP/BARO Switch Solenoid Valve Malfunction

The ECU detects a malfunction in the MAP/BARO switching solenoid valve affecting pressure reference selection.

Brand Infiniti
System Intake System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1105 mean on Infiniti vehicles?

The ECU detects a malfunction in the MAP/BARO switching solenoid valve affecting pressure reference selection.

Common symptoms

  • Unstable idle
  • check engine light on

Possible causes

  • Faulty solenoid valve
  • insufficient vacuum
  • vacuum hose leaks

Initial recommendation

Inspect MAP/BARO solenoid operation and check vacuum lines for leaks.

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 Infiniti code P1105 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands