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TuningBot DTC Database · v4.37.15

P1226 Diagnostic Trouble Code (8 interpretations)

8 manufacturer-specific interpretations across 7 manufacturers in the TuningBot DTC database.

P · PowertrainFuelOBD2

Chevrolet

1 interpretation
P1226
Injector 2 - circuit malfunction Chevrolet · fuel Data confidence 62%

The control module detected improper operation of the Injector 2 circuit. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring
  • injector
  • FICM

Jaguar

1 interpretation
P1226
Mechanical Guard Circuit Range Performance Jaguar · engine Data confidence 62%

The control module judged the Mechanical Guard 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.

Kia

1 interpretation
P1226
Fuel Injector 2 Circuit Low Voltage Kia · fuel Data confidence 62%

The control module detected that the signal in the Fuel Injector 2 circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Kia.

Mazda

1 interpretation
P1226
Control Sleeve Sensor Circuit Mazda · engine Data confidence 62%

The control module detected improper operation of the Control Sleeve circuit. This is the manufacturer-specific definition used by Mazda.

Nissan

1 interpretation
P1226
Closed throttle position, learning - unsuccessful Nissan · engine Data confidence 62%

The control module detected a fault associated with the Closed throttle position, learning - unsuccessful circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Throttle valve position motor
  • TP sensor 1 & 2

Porsche

1 interpretation
P1226
Fuel Injector Cylinder 2 Porsche · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Injector Cylinder 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

VAG

2 interpretations
P1226
Injector 2 - short to ground VAG · fuel Data confidence 62%

The control module detected a short circuit to ground in the Injector 2 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • injector
Applies to Audi
P1226
Injector 2 - short to ground VAG · fuel Data confidence 80%

The control module detected a short circuit to ground in the Injector 2 circuit. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring short to ground
  • injector
Applies to Volkswagen

Related and nearby codes

How to read P1226

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

226

Specific fault index within the subsystem.

Frequently asked questions about P1226

What does P1226 mean?

Diagnostic Trouble Code (8 interpretations). The control module detected improper operation of the Injector 2 circuit. This is the manufacturer-specific definition used by Chevrolet.

Is P1226 generic or manufacturer-specific?

P1226 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Jaguar, Kia, Mazda, Nissan, Porsche, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1226 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.

Other file services

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