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P0739: TCM Engine Speed Output Circuit High

What Does P0739 Mean?

P0739 is a diagnostic trouble code indicating: TCM Engine Speed Output Circuit High. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P0734 Gear 4 Incorrect Ratio P0735 Gear 5 Incorrect Ratio P0736 Reverse Incorrect Ratio P0737 TCM Engine Speed Output Circuit P0738 TCM Engine Speed Output Circuit Low P0740 Torque Converter Clutch Circuit/Open P0741 Torque Converter Clutch Circuit Performance/Stuck Off P0742 Torque Converter Clutch Circuit Stuck On