OBD Guide

P0744

Torque Converter Clutch Circuit Intermittent

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable transmission operation
  • Increased fuel consumption
  • Delays when shifting gears
  • Slipping during acceleration
  • Check Engine Indication

Causes

  • Open or short circuit in control circuit
  • Engine clutch solenoid malfunction
  • Wiring Harness Problems
  • Low or contaminated transmission fluid
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the wiring harness and connectors for damage.
  3. Check the resistance of the clutch solenoid
  4. Scan the TCM for errors
  5. If necessary, replace the solenoid or restore circuit integrity.

Related codes

Error P0744 by Vehicle Brand