P3400 — Audi: Faulty Cylinder Deactivation System

Code breakdown

Manufacturer-specific meanings (Audi)

• Audi
  Faulty Cylinder Deactivation System

Related codes

• P3400-audi — Faulty Cylinder Deactivation System
• P3401 — Manufacturer-specific fault code
• P3401-audi — Engine oil level is too low, Powertrain Control Module (PCM) failure, Variable valve timing solenoid failure, Wiring issue

Owner experiences (0)