P1579 — Volkswagen — Throttle actuator J338: adaptation has not started

P1579 indicates that throttle adaptation has not been initiated.

Meaning, symptoms, causes and checks

P1579 indicates that throttle adaptation has not been initiated. The code alone does not establish that the assembly needs replacement.

Affected system: Throttle control

Symptoms

  • The malfunction indicator may be illuminated.

Possible causes

  • Throttle adaptation has not been performed.

What to check

  • Perform adaptation using the engine-specific procedure and prerequisites.