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TuningBot DTC Database · v4.37.15

P1577 Honda - High voltage detection signal - circuit problem

Manufacturer-specific interpretation for Honda. All interpretations of P1577

P · PowertrainEngineOBD2

What P1577 means

P1577
High voltage detection signal - circuit problem Honda · engine Data confidence 62%

The control module detected a fault associated with the High voltage detection signal - circuit problem circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • motor control module (MCM)
  • hybrid battery pack

Related and nearby codes

How to read P1577

P

Powertrain: engine, transmission and driveline systems.

1

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

577

Specific fault index within the subsystem.

Frequently asked questions about P1577

What does P1577 mean?

High voltage detection signal - circuit problem. The control module detected a fault associated with the High voltage detection signal - circuit problem circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

Is P1577 generic or manufacturer-specific?

P1577 is a manufacturer-specific code. In this database it is documented for: Honda. The same number can mean something different on other brands.

Can TuningBot remove P1577 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 Honda engines See the results →

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