The control module detected improper operation of the Air flow meter or circuit. This is the manufacturer-specific definition used by Alfa Romeo.
TuningBot DTC-Datenbank · v4.37.15
P1221 Diagnose-Fehlercode (13 Interpretationen)
13 herstellerspezifische Interpretationen bei 12 Herstellern in der TuningBot DTC-Datenbank.
Alfa Romeo
1 Interpretation
Chevrolet
1 InterpretationThe control module detected a fault associated with the Throttle motor position sensor 1/2 - signalvariation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
Mögliche Ursachen
- Wiring
- throttle control module
Chrysler
1 InterpretationThe control module detected a fault associated with the Throttle Position (TP) Sensor 1 - 2 Correlation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Empfohlene Prüfungen
- Perform a full module scan
- Review freeze-frame and occurrence data
- Compare commanded and measured values
- Check applicable OEM service information
Dodge
1 InterpretationThe control module detected improper operation of the CAN data bus, rcs. This is the manufacturer-specific definition used by Dodge.
Mögliche Ursachen
- Wiring
- rcs control module trouble code(s) stored
Ford
1 InterpretationThe control module detected improper operation of the Traction Control System. This is the manufacturer-specific definition used by Ford.
Honda
1 InterpretationThe control module detected a fault associated with the Throttle motor position sensor 1/2 - signal variation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.
Mögliche Ursachen
- Wiring
- throttle control unit
- ECM
Hyundai
1 InterpretationThe control module detected a fault associated with the Feedback (Main Duty) Solenoid circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.
Jaguar
1 InterpretationThe control module judged the Pedal Demand Sensor B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Jaguar.
Mazda
1 InterpretationThe control module detected a fault associated with the Traction Control System circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.
Mercedes-Benz
1 InterpretationThe control module detected a fault associated with the CAN Communication ETC Or ETS Interrupted circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.
MINI
1 InterpretationThe control module judged the Pedal Position Sensor 2 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by MINI.
VAG
2 InterpretationenThe 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.
Mögliche Ursachen
- Wiring short to ground
- valve controller
Empfohlene Prüfungen
- 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
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.
Verwandte und benachbarte Codes
So liest man P1221
Antriebsstrang: Motor, Getriebe und Antrieb.
Herstellerdefinierter Bereich: die Bedeutung kann je Marke abweichen.
Spezifischer Fehlerindex innerhalb des Subsystems.
Häufige Fragen zu P1221
Was bedeutet P1221?
Diagnose-Fehlercode (13 Interpretationen). The control module detected improper operation of the Air flow meter or circuit. This is the manufacturer-specific definition used by Alfa Romeo.
Ist P1221 generisch oder herstellerspezifisch?
P1221 ist ein herstellerspezifischer Code. In dieser Datenbank ist er dokumentiert für: Alfa Romeo, Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, Jaguar, Mazda, Mercedes-Benz, MINI, VAG. Dieselbe Nummer kann bei anderen Marken etwas anderes bedeuten.
Kann TuningBot P1221 auf Dateiebene entfernen?
Wenn die Fehlerlogik in der Steuergerätekalibrierung liegt, ja: unser DTC-Removal-Dienst deaktiviert den konkreten Fehlereintrag. Die Checksum-Korrektur ist nicht enthalten: Sie ist ein separater, optionaler Service. Unsicher, ob Ihr Fall dazugehört? Fordern Sie eine kostenlose Einschätzung an, und unsere Ingenieure prüfen Ihre Datei.
Weitere Dateidienste
Das System hinter diesem Code verstehen: Diagnosestrategie und DTC-Logik
