VW Audi MED9.1 and MED9.5.10 Internal checksum error – repair fix

16985/P0601/001537 – Internal Control Module: Memory Check Sum Error

Possible Symptoms

  • MIL illuminated

Possible Causes

  • Engine Control Unit (ECU) defective
  • Flash ROM (used in aftermarket “chips”) defective
  • Low Voltage

Possible Solutions

  • We can repair most MED9 internal checksum errors

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