P2758 Fault Code

P2758 OBD-II Trouble Code Short Description

Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On

What does trouble code P2758 mean?

The P2758 fault code indicates that there is an issue with the torque converter clutch pressure control solenoid. Specifically, it means that the circuit for this solenoid is stuck in the 'on' position. This can lead to improper operation of the torque converter, affecting the way the vehicle shifts gears and ultimately its performance.

Symptoms

What are the symptoms of the P2758 code?

  • Increased engine RPMs during acceleration while driving
  • Slipping transmission or harsh shifts
  • Overheating of the transmission
  • The Check Engine Light may illuminate on the dashboard
  • Unusual noises from the transmission area during operation

Causes

What causes the P2758 code?

  • Faulty torque converter clutch pressure control solenoid
  • Wiring issues, including short circuits or open circuits
  • Poor electrical connections in the solenoid circuit
  • Transmission fluid contamination or low fluid levels
  • Internal transmission issues such as clutches or valves failing

Possible Solutions

How to fix P2758?

  • Inspect and test the torque converter clutch pressure control solenoid for proper operation
  • Check the wiring and connectors for damage and ensure a good connection
  • Replace the torque converter clutch pressure control solenoid if found faulty
  • Ensure the transmission fluid is at the correct level and condition; replace if contaminated
  • If necessary, perform a thorough transmission inspection to identify internal problems