Free API
P2764high severityPowertrain

Torque Converter Clutch Pressure Control Solenoid Stuck Off

on 2015 Kia Forte 1.8L I4 · FWD

What this code means

The TCC pressure control solenoid is stuck in the off position.

Symptoms

  • No torque converter lockup
  • Higher RPM at highway speed
  • Poor fuel economy
  • Overheating transmission

Common causes

  • Failed solenoid
  • Contaminated fluid blocking valve
  • Valve body stuck

Diagnostic steps

  1. Command TCC operation with scan tool
  2. Check for fluid contamination
  3. Pressure test

Repair notes

Replace solenoid. Check for debris in valve body.

Other Powertrain codes on this vehicle

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
🔓 LIBERATED FOREVER
The 2015 Kia Forte 1.8L I4 repair data is free for every DIYer and shop on earth, permanently, because Simon-Olivier Ricci paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Simon-Olivier.
Free another vehicle →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →