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TuningBot DTC Database · v4.37.15

P1A77 Check Generator Belt

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainBatteryOBD2
Brand pages:Hyundai

Hyundai

1 interpretation
P1A77
Check Generator Belt Hyundai · battery Data confidence 62%

The control module detected a fault associated with the Check Generator Belt 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 P1A77

P

Powertrain: engine, transmission and driveline systems.

1

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

A77

Specific fault index within the subsystem.

Frequently asked questions about P1A77

What does P1A77 mean?

Check Generator Belt. The control module detected a fault associated with the Check Generator Belt 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 P1A77 generic or manufacturer-specific?

P1A77 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 P1A77 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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