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TuningBot DTC Database · v4.37.15

P1137 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1137

P · PowertrainFuelOBD2

What P1137 means

P1137
Long term fuel trim, idling, Bank 1 - system too rich VAG · fuel Data confidence 62%

The control module detected that the air-fuel mixture stayed richer 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
  • injector(s)
  • EVAP canister purge valve
Applies to Audi
P1137
Fuel Trim: Bank 1 (Add): System too Rich VAG · fuel Data confidence 88%

The control module detected that the air-fuel mixture stayed richer 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 17545. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) active

Possible causes

  • Mass Air Flow (MAF) Sensor faulty
  • Fuel Pressure Regulator faulty
  • Fuel Injector(s) faulty
  • Oxygen Sensor Control faulty
  • Evaporative Emission (EVAP) System faulty

Recommended checks

  • Check Mass Air Flow (MAF) Sensor
  • Check Fuel Pressure Regulator
  • Check Fuel Injector(s)
  • Check Oxygen Sensor Control
  • Check Evaporative Emission (EVAP) System
Applies to Volkswagen

Related and nearby codes

How to read P1137

P

Powertrain: engine, transmission and driveline systems.

1

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

137

Specific fault index within the subsystem.

Frequently asked questions about P1137

What does P1137 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected that the air-fuel mixture stayed richer 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 P1137 generic or manufacturer-specific?

P1137 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 P1137 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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