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TuningBot DTC Database · v4.37.15

P1566 VAG - AC compressor, load signal - implausible signal

Manufacturer-specific interpretation for VAG. All interpretations of P1566

P · PowertrainEngineOBD2

What P1566 means

P1566
AC compressor, load signal - implausible signal VAG · engine Data confidence 62%

The control module judged the AC compressor, load signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • AC system
Applies to Audi

Related and nearby codes

How to read P1566

P

Powertrain: engine, transmission and driveline systems.

1

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

566

Specific fault index within the subsystem.

Frequently asked questions about P1566

What does P1566 mean?

AC compressor, load signal - implausible signal. The control module judged the AC compressor, load signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Audi.

Is P1566 generic or manufacturer-specific?

P1566 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 P1566 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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