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TuningBot DTC Database · v4.37.15

P1789 VAG - Idle Speed Intervention Circuit Error Message From Engine Control

Manufacturer-specific interpretation for VAG. All interpretations of P1789

P · PowertrainEngineOBD2

What P1789 means

P1789
Idle Speed Intervention Circuit Error Message From Engine Control VAG · engine Data confidence 62%

The control module registered the fault condition described as "Idle Speed Intervention Circuit Error Message From Engine Control". This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1789

P

Powertrain: engine, transmission and driveline systems.

1

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

789

Specific fault index within the subsystem.

Frequently asked questions about P1789

What does P1789 mean?

Idle Speed Intervention Circuit Error Message From Engine Control. The control module registered the fault condition described as "Idle Speed Intervention Circuit Error Message From Engine Control". This is the manufacturer-specific definition used by Volkswagen.

Is P1789 generic or manufacturer-specific?

P1789 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 P1789 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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