What does code P1223 mean on Audi vehicles?
An open circuit has been detected in the exhaust valves of the cylinder deactivation system.
OBD-II Code Audi
P1223 — Audi — Cylinder Deactivation Exhaust Valves Open Circuit
An open circuit has been detected in the exhaust valves of the cylinder deactivation system.
Common symptoms
- Loss of efficiency.
Possible causes
- Open circuit in wiring.
Initial recommendation
Inspect wiring harness.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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