P2756 and related codes: torque converter clutch pressure and temperature

The solenoid that sets the pressure of the torque converter lockup clutch is stuck, works poorly or has a circuit fault, the lockup clutch circuit reads low or high, or the torque converter is too hot (P2783).

SeverityModerateUsually not urgent today, but it can get worse if left.

Can you keep driving?Drive gently, check it soon

What does P2756 mean?

Where P0740 to P0744 cover the lockup clutch circuit as a whole, these codes are about the solenoid that controls how hard the lockup clutch is pressed, which lets the computer apply it gently or slip it on purpose. If that pressure is wrong, the lockup may judder, slip and overheat, or stay off. A converter that is too hot usually means it has been slipping for a long time, or that the fluid is not being cooled.

What causes P2756?

  1. Old or burnt fluid, which makes the lockup clutch judder
  2. A failed lockup pressure solenoid or a damaged circuit to it
  3. A worn lockup clutch inside the torque converter
  4. A blocked transmission fluid cooler or a fault in its control
  5. Long towing or climbing in a gear that keeps the converter slipping

What to check first for P2756

  • Check the fluid level and smell, and when it was last changed
  • Feel for a judder at a steady light throttle, which is typical of a slipping lockup clutch
  • Measure the lockup pressure solenoid's resistance at the gearbox connector
  • Have the converter slip and temperature watched on a scan tool during a test drive

Can you drive with P2756?

Usually you can drive gently to a workshop. Fuel use and fluid temperature go up while the lockup is off; avoid towing, long climbs and high speed, and stop if a gearbox temperature warning appears.

Clear a code only after the fault is fixed. A code that comes back means the cause is still there, and a warning light left on can hide a second fault behind the first.

Codes on this page

12
  • P2756Torque Converter Clutch Pressure Control Solenoid
  • P2757Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance or Stuck Off
  • P2758Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On
  • P2759Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical
  • P2760Torque Converter Clutch Pressure Control Solenoid Control Circuit Intermittent
  • P2761Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open
  • P2762Torque Converter Clutch Pressure Control Solenoid Control Circuit Range/Performance
  • P2763Torque Converter Clutch Pressure Control Solenoid Control Circuit High
  • P2764Torque Converter Clutch Pressure Control Solenoid Control Circuit Low
  • P2769Torque Converter Clutch Circuit Low
  • P2770Torque Converter Clutch Circuit High
  • P2783Torque Converter Temperature Too High

Checked on · Rafael Soares

These are the generic meanings every manufacturer shares. Each brand adds its own detail, so your car's handbook, its service information and a qualified mechanic have the last word. OdoKeep has no connection with any manufacturer, and the app does not read codes from the car.

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