P2769 — Torque converter clutch electrical problem

The code indicates a problem with the electrical circuit controlling the torque converter clutch in the transmission. This clutch helps improve fuel efficiency by locking the torque converter at certain speeds.

Common causes

The cause is almost always one of a few things. Here they are — P2769 rarely comes from anything outside this list:

• Faulty torque converter clutch solenoid
• Damaged wiring or poor electrical connections
• Transmission control module malfunction
• Low transmission fluid level or quality
• Internal transmission issues

Where to start

In the order a sensible mechanic would work — the cheap checks first, the expensive replacements only after:

1. Check and repair wiring and connectors
2. Test and replace torque converter clutch solenoid if faulty
3. Inspect and top up transmission fluid
4. Scan and reset transmission control module
5. Consider transmission servicing or rebuild if internal damage found

That is what holds for P2769 in general. From here it depends on your engine — tell me which car it is and what it does, and I will give you the steps for it: real procedures, torque figures and diagrams instead of general advice.