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TuningBot DTC Database · v4.37.15

P1093 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1093

P · PowertrainFuelOBD2

What P1093 means

P1093
Mixture control (MC), Bank 1 - malfunction VAG · fuel Data confidence 62%

The control module detected improper operation of the Mixture control (MC), Bank 1. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Fuel pressure/pump
  • injector(s) intake leak
Applies to Audi
P1093
Bank 1; Fuel Measuring System 2: Malfunction VAG · engine Data confidence 80%

The control module detected improper operation of the Bank 1; Fuel Measuring System 2. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17501. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • Power Loss
  • Misfire(s)
  • Stalling

Possible causes

  • Fuel Pressure insufficient/exceed/fluctuating
  • Fuel Pump (High Pressure System) faulty
  • Fuel Pressure Regulator Valve (N276) faulty

Recommended checks

  • Check Fuel Pressure (on FSI engines High and Low Fuel Pressure System)
  • Check Fuel Pump (High Pressure System)
  • Check Fuel Pressure Regulator Valve (N276)
  • Check Fuel Filter and Filter in Fuel Pump Casing
Applies to Volkswagen

Related and nearby codes

P10 range
P1000P1001P1002P1003P1004P1005P1006P1007P1008P1009P100AP100CP100FP1010P1011P1012P1013P1014

How to read P1093

P

Powertrain: engine, transmission and driveline systems.

1

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

093

Specific fault index within the subsystem.

Frequently asked questions about P1093

What does P1093 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected improper operation of the Mixture control (MC), Bank 1. This is the manufacturer-specific definition used by Audi.

Is P1093 generic or manufacturer-specific?

P1093 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 P1093 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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

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