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Diagnose/P0218
P0218Critical SeverityTransmission

Transmission Over Temperature

What This Means

The transmission fluid temperature has exceeded safe operating limits. Overheated transmission fluid loses its lubricating properties and can cause accelerated wear and eventual transmission failure.

Common Symptoms

  • Transmission warning light
  • Harsh shifting
  • Burning fluid smell
  • Vehicle may enter limp mode

Common Causes

  • Low transmission fluid
  • Failed transmission cooler
  • Towing beyond capacity
  • Slipping transmission generating heat
  • Blocked cooler lines

Estimated Repair Cost

$200 – $2000
Parts and labor (varies by vehicle and location)
Difficulty:Advanced

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.