P0614: ECM / TCM Mismatch

MediumPowertrainEngine Electronics

What does P0614 mean?

P0614 is a diagnostic trouble code indicating "ECM / TCM Mismatch". 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.

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Code P0614 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

P0613TCM Processor
P0610Control Module VSS Output B Malfunction
P0618Alternative Fuel Control Module KAM Error
P0609Control Module VSS Output B Malfunction