Cylinder Shut Off Exhaust Valves Short Circuit To Ground
VAG · engine
Data confidence62%
The control module detected a short circuit to ground in the Cylinder Shut Off Exhaust Valves circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring short to ground
valve controller
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Inspect relevant wiring and connectors
Check power supplies and grounds
Compare commanded and measured values
Check applicable OEM service information
Applies toAudi
P1221
Cylinder Shut Off Exhaust Valves Short Circuit To Ground
VAG · engine
Data confidence62%
The control module detected a short circuit to ground in the Cylinder Shut Off Exhaust Valves circuit. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
221
Specific fault index within the subsystem.
Frequently asked questions about P1221
What does P1221 mean?
Cylinder Shut Off Exhaust Valves Short Circuit To Ground. The control module detected a short circuit to ground in the Cylinder Shut Off Exhaust Valves circuit. This is the manufacturer-specific definition used by Audi.
Is P1221 generic or manufacturer-specific?
P1221 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P1221 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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