P1719 – Traction Control Switch Signal Fault (Ford)

Description

P1719 Ford indicates an invalid or missing traction control switch signal.

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Symptoms

  • Traction control disabled
  • Harsh shifting
  • Warning light on

Causes

  • Faulty TCS switch
  • Wiring damage
  • Connector corrosion

Diagnosis

  • Check switch input
  • Inspect wiring
  • Test switch operation

Repair

  • Replace TCS switch
  • Repair wiring
  • Clean connectors