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TuningBot DTC Database · v4.37.15

P1747 Hyundai - TCM - ECM Communication Line #1 Malfunction

Manufacturer-specific interpretation for Hyundai. All interpretations of P1747

P · PowertrainTransmissionOBD2

What P1747 means

P1747
TCM - ECM Communication Line #1 Malfunction Hyundai · transmission Data confidence 62%

The control module detected improper operation of the TCM - ECM Communication Line #1. This is the manufacturer-specific definition used by Hyundai.

Related and nearby codes

How to read P1747

P

Powertrain: engine, transmission and driveline systems.

1

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

747

Specific fault index within the subsystem.

Frequently asked questions about P1747

What does P1747 mean?

TCM - ECM Communication Line #1 Malfunction. The control module detected improper operation of the TCM - ECM Communication Line #1. This is the manufacturer-specific definition used by Hyundai.

Is P1747 generic or manufacturer-specific?

P1747 is a manufacturer-specific code. In this database it is documented for: Hyundai. The same number can mean something different on other brands.

Can TuningBot remove P1747 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 Hyundai engines See the results →

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