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TuningBot DTC Database · v4.37.15

P1582 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1582

P · PowertrainEngineOBD2

What P1582 means

P1582
Idle speed adaptation - limit reached VAG · engine Data confidence 62%

The control module determined that the Idle speed adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Intake/exhaust leak
  • AIR system
  • fuel pressure/pump
  • injector(s)
  • EVAP canister purge valve
Applies to Audi
P1582
Idle Adaptation Limit Reached VAG · engine Data confidence 88%

The control module determined that the Idle adaptation reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17990. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Recommended checks

  • Check Fuel Pressure
  • Check Intake System for Leaks (False Air)
  • Check Fuel Injector(s)
  • Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
  • Check Exhaust System for Leaks
Applies to Volkswagen

Related and nearby codes

P15 range
P1500P1501P1502P1503P1504P1505P1506P1507P1508P1509P150AP150BP150CP150DP150EP150FP1510P1511

How to read P1582

P

Powertrain: engine, transmission and driveline systems.

1

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

582

Specific fault index within the subsystem.

Frequently asked questions about P1582

What does P1582 mean?

Diagnostic Trouble Code (2 interpretations). The control module determined that the Idle speed adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Is P1582 generic or manufacturer-specific?

P1582 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 P1582 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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