EV Diagnostics
Source-backed diagnostic reference

P0601 EV diagnostic code

Lack of proper voltage to the PCM, Defective PCM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • AUDI: Lack of proper voltage to the PCM, Defective PCM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices Source
  • DODGE: Internal PCM Controller Failure Source
  • GENERIC: Internal Control Module Memory Checksum Error Source
  • GENERIC: Internal Control Module Memory Check Sum Error Source

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