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TuningBot DTC Database · v4.37.15

P1152 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1152

P · PowertrainFuelOBD2

What P1152 means

P1152
Long term fuel trim 2, Bank 1 - below lean limit VAG · fuel Data confidence 62%

The control module detected a fault associated with the Long term fuel trim 2, Bank 1 - below lean limit circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Fuel pressure/pump
  • injectors
  • intake/exhaust leak
  • AIR system
  • HO2S
Applies to Audi
P1152
Long Term Fuel Trim Additive Air; Bank 1; Range 2: System too Lean VAG · fuel Data confidence 84%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Long Term Fuel Trim Additive Air; Bank 1; Range 2: System). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17560. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Mass Air Flow Sensors (G70) faulty
  • Intake Air System faulty/leaking (false Air)
  • Fuel Injector(s) faulty
  • Fuel Pump faulty
  • Exhaust System leaking
  • Secondary Air Injection System faulty/leaking

Recommended checks

  • Check Mass Air Flow Sensors (G70)
  • Check Intake Air System for Leaks
  • Check Fuel Injector(s)
  • Check Fuel Pump
  • Check Exhaust System for Leaks
Applies to Volkswagen

Related and nearby codes

How to read P1152

P

Powertrain: engine, transmission and driveline systems.

1

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

152

Specific fault index within the subsystem.

Frequently asked questions about P1152

What does P1152 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a fault associated with the Long term fuel trim 2, Bank 1 - below lean limit circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Is P1152 generic or manufacturer-specific?

P1152 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 P1152 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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