P3401

Manufacturer-specific fault code

This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:

Code breakdown

P — System

Powertrain (engine, transmission, fuel & emissions)

3 — Type

Reserved / Manufacturer-specific

4 — Subsystem

Auxiliary emission controls

Audi
Engine oil level is too low, Powertrain Control Module (PCM) failure, Variable valve timing solenoid failure, Wiring issue

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