OBD-II Code Decoder

Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.

  • 12,128 OBD-II codes
  • 18,805 reference definitions
  • 16,185 publicly searchable across 10,181 codes

Review-withheld definitions are excluded; lookup records are not published diagnostic pages.

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P0605 — vehicles with official records naming this code

P0605 is named in NHTSA-published manufacturer communications or investigations for 33 vehicle families, including:

A code named in a manufacturer communication means the document refers to it for those vehicles. It is not a diagnosis of any car, and it does not mean the code is common on that vehicle.

Matching definitions: 2 · Unique codes: 1.

Code Meaning System Scope Manufacturer Severity
P0605 Lack of proper voltage and or ground to the PCM, Defective PCM ROM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices Powertrain Manufacturer-specific Audi Not classified
P0605 Internal Control Module Read Only Memory (ROM) Error Powertrain Generic Not manufacturer-specific Not classified