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TuningBot DTC Database · v4.37.15

P1634 Honda - Motor power inverter module - signal circuit malfunction

Manufacturer-specific interpretation for Honda. All interpretations of P1634

P · PowertrainHybridOBD2

What P1634 means

P1634
Motor power inverter module - signal circuit malfunction Honda · hybrid Data confidence 62%

The control module detected improper operation of the Motor power inverter module circuit. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • motor power inverter module
  • motor control module (MCM) relay 2
  • fuse
  • MCM programming
  • MCM

Related and nearby codes

How to read P1634

P

Powertrain: engine, transmission and driveline systems.

1

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

634

Specific fault index within the subsystem.

Frequently asked questions about P1634

What does P1634 mean?

Motor power inverter module - signal circuit malfunction. The control module detected improper operation of the Motor power inverter module circuit. This is the manufacturer-specific definition used by Honda.

Is P1634 generic or manufacturer-specific?

P1634 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 P1634 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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