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2013 AUDI A6

3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
6 active safety recalls on this vehicle — view recalls
Repairs0Labor991Torque6374Fluid15DTC1810Battery0Maintenance0Recalls6
P2304high severityPowertrain

Ignition Coil D Secondary Circuit

on 2013 Audi A6 3.0L Supercharged V6 · AWD

What this code means

Fault in ignition coil D secondary circuit (typically cylinder 4).

Symptoms

  • Cylinder 4 misfire
  • Check engine light
  • Engine shaking

Common causes

  • Failed coil
  • Spark plug fouled
  • Carbon tracking

Diagnostic steps

  1. Coil swap test
  2. Plug inspection
  3. Check for oil in spark plug well

Repair notes

Replace coil. Check valve cover gasket if oil in plug well.

Other Powertrain codes on this vehicle

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