P0606: ECM/PCM Processor Fault

MediumPowertrainEngine Electronics

What does P0606 mean?

P0606 is a diagnostic trouble code indicating "ECM/PCM Processor Fault". This code relates to your vehicle's engine electronics and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty engine electronics component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

Get a diagnosis for YOUR car

Code P0606 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P0605Internal Control Module Read Only Memory (ROM) Error (Module Identification Defined by SAE J1979)
P0607Control Module Performance
P0604Internal Control Module Random Access Memory (RAM) Error
P0608Control Module VSS Output A Malfunction