OBD Codes List

Diagnostic reference · P2DA8

P2DA8

DC/AC Converter Control Module A Switch A Circuit

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Hybrid Propulsion

What it means

P2DA8 means DC/AC Converter Control Module A Switch A Circuit.

Where it lives

For P2DA8, the module sits on the circuit this code reports. The description of P2DA8 reports a fault at the module.

Check these first

  • An open in the converter module A switch A circuit
  • A failed switch A in the converter module
  • Corrosion at the converter module A connector
  • A faulty converter gate driver
  • A chafed converter module A wire

What to do next

  1. Scan converter module A for other codes
  2. Inspect the module A connector and switch A wiring
  3. Test switch A command from the module
  4. Check the converter gate driver output
  5. Replace converter module A if switch A is dead
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.