What does code P1221 mean on Audi vehicles?
A short to ground has been detected in the exhaust valves of the cylinder deactivation system.
OBD-II Code Audi
P1221 — Audi — Cylinder Deactivation Exhaust Valves Short to Ground
A short to ground has been detected in the exhaust valves of the cylinder deactivation system.
Common symptoms
- Irregular engine performance.
Possible causes
- Faulty wiring.
Initial recommendation
Inspect exhaust valve actuators.
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.
Analyze this code with MecaOBD
Use the app to combine Audi code P1221 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands