Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1246 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1246

P · PowertrainFuelOBD2

What P1246 means

P1246
Injector needle lift sensor - range/performance problem VAG · fuel Data confidence 62%

The control module judged the Injector needle lift behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Injector needle lift sensor
  • injector pipe defec tive
  • fuel level low
Applies to Audi
P1246
Needle Lift Sensor (G80): Implausible Signal VAG · engine Data confidence 80%

The control module judged the Needle Lift Sensor (G80) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17654. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • Malfunction Indicator Light (MIL) ON
  • Engine misfiring/juddering/running rough
  • Engine shutting down

Possible causes

  • Fuel Supply interrupted/faulty
  • Wiring and/or Connector(s) from/to Needle Lift Sensor (G80) faulty
  • Needle Lift Sensor (G80) faulty
  • Injection Pump faulty

Recommended checks

  • Check Fuel Supply
  • Check Wiring and/or Connector(s) from/to Needle Lift Sensor (G80)
  • Check/Replace Needle Lift Sensor (G80)
  • Check Injection Pump
Applies to Volkswagen

Related and nearby codes

How to read P1246

P

Powertrain: engine, transmission and driveline systems.

1

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

246

Specific fault index within the subsystem.

Frequently asked questions about P1246

What does P1246 mean?

Diagnostic Trouble Code (2 interpretations). The control module judged the Injector needle lift behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.

Is P1246 generic or manufacturer-specific?

P1246 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 P1246 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

ECU tuningStage 1 dyno results for VAG engines See the results →

← Search the full DTC database