P1348 — Volkswagen — Ignition coil power stage 1: open circuit

P1348 Volkswagen indicates an open circuit at ignition power stage 1. Read the VAG-specific explanation and checks before replacing ignition coils.

Meaning, symptoms, causes and checks

P1348 identifies an open circuit at ignition power stage 1 in VAG documentation. It does not directly identify a particular cylinder.

Affected system: Ignition

Possible causes

  • Faulty coil pack.

What to check

  • Test the coil pack using the engine-specific wiring diagram and procedure.