P2783
Torque Converter Temperature Too High
The TCM detects that torque converter temperature exceeds the calibrated upper limit. Continuous slipping or insufficient cooling causes overheating and risks transmission damage.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Low transmission fluid levelCommon
- Blocked transmission coolerPossible
- Excessive TCC slipPossible
Parts involved
- Torque Converter
- Transmission Cooler
- Transmission Fluid
P2783 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.