P1743 – TCC System Mechanical Failure (Ford)

Description

P1743 Ford indicates a mechanical failure in the torque converter clutch system.

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Symptoms

  • Shuddering
  • Slipping
  • Harsh shifting

Causes

  • Worn converter
  • Damaged clutch
  • Valve body issue

Diagnosis

  • Check converter
  • Inspect clutch
  • Test pressure

Repair

  • Replace torque converter
  • Repair valve body
  • Rebuild transmission