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TuningBot DTC Database · v4.37.15

P1136 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1136

P · PowertrainFuelOBD2

What P1136 means

P1136
Long term fuel trim, idling, Bank 1 - system too lean VAG · fuel Data confidence 62%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Long term fuel trim, idling, Bank 1 - system). This is the manufacturer-specific definition used by Audi.

Possible causes

  • Fuel pressure/pump
  • injector(s)
  • intake/ exhaust leak
  • AIR system
  • hose leak
Applies to Audi
P1136
Fuel Trim: Bank 1 (Add): System too Lean VAG · fuel Data confidence 88%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Fuel Trim: Bank 1 (Add): System). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17544. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Recommended checks

  • Check Mass Air Flow (MAF) Sensor
  • Check Fuel Pressure Regulator
  • Check Fuel Pump
  • Check Intake/Exhaust System for Leaks
  • Check Secondary Air Injection for Leaks
Applies to Volkswagen

Related and nearby codes

How to read P1136

P

Powertrain: engine, transmission and driveline systems.

1

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

136

Specific fault index within the subsystem.

Frequently asked questions about P1136

What does P1136 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Long term fuel trim, idling, Bank 1 - system). This is the manufacturer-specific definition used by Audi.

Is P1136 generic or manufacturer-specific?

P1136 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 P1136 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 →

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