TuningBot DTC Database · v4.37.15
9 manufacturer-specific interpretations across 8 manufacturers in the TuningBot DTC database.
Alfa RomeoThe control module detected a fault associated with the HO2S regulator inner adjuster reaches minimum or maximum value of correction circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Alfa Romeo.
ChevroletThe control module detected improper operation of the Injector 1 circuit. This is the manufacturer-specific definition used by Chevrolet.
DodgeThe control module detected improper operation of the Injector Output circuit. This is the manufacturer-specific definition used by Dodge.
FordThe control module detected that the signal in the Pedal Demand Sensor B circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
Mercedes-BenzThe control module detected a fault associated with the Fuel Rack Position Sensor Y2311 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.
MINIThe control module detected that the Pedal Position Sensor 2 signal stayed above the expected range. This is the manufacturer-specific definition used by MINI.
NissanThe control module detected that the Throttle position (TP) sensor 2 voltage stayed below the expected range. This is the manufacturer-specific definition used by Nissan.
VAGThe control module detected an interruption (open circuit) in the Cylinder Shut Off Exhaust Valves circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.
The control module detected an interruption (open circuit) in the Cylinder Shut Off Exhaust Valves circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (9 interpretations). The control module detected a fault associated with the HO2S regulator inner adjuster reaches minimum or maximum value of correction circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Alfa Romeo.
P1223 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo, Chevrolet, Dodge, Ford, Mercedes-Benz, MINI, Nissan, VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Oxygen Sensors (Lambda)
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