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Fault Code P0A1D

Code meaning, symptoms, possible causes, part number, and estimated cost.

P0A1D

Hybrid Powertrain Control Module

Severity: Critical

This code indicates a general problem with the Hybrid Powertrain Control Module (HPCM), which is the central brain managing the operation of the electric motor, gasoline engine, and the transition between them. A fault in this module can completely disable the vehicle.

Part Details

Part Name

Hybrid Powertrain Control Module

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪8000 - ₪20000

Engine Location

Hybrid powertrain system

Symptoms

  • Vehicle not starting or unresponsive
  • Check engine or 'Hybrid System' light illuminated
  • Complete loss of power
  • Hybrid system malfunction

Possible Causes

  • 1Internal failure of the HPCM module
  • 2Damaged wiring or short circuit
  • 3Water intrusion into the module
  • 4Software or firmware issues

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