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TuningBot DTC Database · v4.37.15

P1551 Mercedes-Benz - AIC compressor clutch cut - off

Manufacturer-specific interpretation for Mercedes-Benz. All interpretations of P1551

P · PowertrainTransmissionOBD2

What P1551 means

P1551
AIC compressor clutch cut - off Mercedes-Benz · transmission Data confidence 62%

The control module detected a fault associated with the AIC compressor clutch cut - off circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.

Possible causes

  • Wiring
  • incorrect AIC control module
  • ECM

Related and nearby codes

How to read P1551

P

Powertrain: engine, transmission and driveline systems.

1

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

551

Specific fault index within the subsystem.

Frequently asked questions about P1551

What does P1551 mean?

AIC compressor clutch cut - off. The control module detected a fault associated with the AIC compressor clutch cut - off circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.

Is P1551 generic or manufacturer-specific?

P1551 is a manufacturer-specific code. In this database it is documented for: Mercedes-Benz. The same number can mean something different on other brands.

Can TuningBot remove P1551 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 Mercedes engines See the results →

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