Audi Audi Vehicles (Multiple Models) Error Code P3013

Audi OBD-II Warning Engine

Model: Audi Vehicles (Multiple Models) | Code: P3013

Applicable Systems
A3 A4 A6 Q5 Q7

Symptoms

Cylinder on Demand (COD) system fault; engine may not deactivate cylinders 2/3/5/8 for efficiency.

Possible Causes

  • COD camshaft adjuster solenoid failure
  • Camshaft position actuator mechanical binding
  • Engine oil pressure to COD system low

Troubleshooting Steps

  1. Step 1: Check COD solenoid valves N583/N584
    Solenoids energize correctly
  2. Step 2: Inspect camshaft adjuster mechanism
    Mechanism moves freely, no binding
  3. Step 3: Replace faulty COD solenoid or adjuster
    Component replaced, COD operation verified

How to Reset

Clear codes and perform COD adaptation procedure.

Related Audi Fault Codes

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Source: SAE J2012 Standard, OBD-II Service Manuals

Category: OBD-II