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P1888 – Transmission Overload Protection Activated

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Symptoms

  • Limp mode
  • Harsh shifting

Causes

  • Heavy load
  • Overheating
  • Low fluid

Diagnosis

  • Read temp/load data
  • Inspect cooler
  • Check fluid

Repair

  • Reduce load
  • Repair cooler
  • Refill fluid
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