P2303high severityPowertrain
Ignition Coil C Secondary Circuit
on 2017 Audi R8 5.2L V10 Performance (602hp) · AWD
What this code means
Fault in ignition coil C secondary circuit (typically cylinder 3).
Symptoms
- Cylinder 3 misfire
- Check engine light
Common causes
- Failed coil
- Worn spark plug
- Boot damage
Diagnostic steps
- Swap coil
- Check plug
- Inspect for arcing
Repair notes
Replace coil and spark plug as needed.
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