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TuningBot DTC Database · v4.37.15

P1645 Hyundai - Booster Voltage - Operating Injector

Manufacturer-specific interpretation for Hyundai. All interpretations of P1645

P · PowertrainFuelOBD2

What P1645 means

P1645
Booster Voltage - Operating Injector Hyundai · fuel Data confidence 62%

The control module detected a fault associated with the Booster Voltage - Operating Injector circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Related and nearby codes

How to read P1645

P

Powertrain: engine, transmission and driveline systems.

1

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

645

Specific fault index within the subsystem.

Frequently asked questions about P1645

What does P1645 mean?

Booster Voltage - Operating Injector. The control module detected a fault associated with the Booster Voltage - Operating Injector circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Is P1645 generic or manufacturer-specific?

P1645 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 P1645 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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