P2756
Torque Converter Clutch Pressure Control Solenoid
A general fault in the torque converter clutch (TCC) pressure control solenoid. Lockup feel and slip control are degraded.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Aged solenoid coil resistance driftCommon
- Worn valve body bore around the solenoidPossible
Parts involved
- TCC Pressure Solenoid
- Torque Converter
P2756 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.