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TuningBot DTC Database · v4.37.15

P1781 VAG - Engine Torque Reduction Open Short To Ground

Manufacturer-specific interpretation for VAG. All interpretations of P1781

P · PowertrainEngineOBD2

What P1781 means

P1781
Engine Torque Reduction Open Short To Ground VAG · engine Data confidence 62%

The control module detected a short circuit to ground in the Engine Torque Reduction Open circuit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1781

P

Powertrain: engine, transmission and driveline systems.

1

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

781

Specific fault index within the subsystem.

Frequently asked questions about P1781

What does P1781 mean?

Engine Torque Reduction Open Short To Ground. The control module detected a short circuit to ground in the Engine Torque Reduction Open circuit. This is the manufacturer-specific definition used by Volkswagen.

Is P1781 generic or manufacturer-specific?

P1781 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 P1781 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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