ENGINE COOLANT TEMPERATURE HIGH SD

UnclassifiedCooling

What This Code Means

Engine coolant temperature exceeds maximum temperature for more than 5 seconds

Possible Causes

  • •Blocked air inlets
  • •Blocked exhaust outlets

Suggested Actions

  1. 1Check for blocked air inlets and exhaust outlets

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Get a diagnosis walkthrough for ENGINE COOLANT TEMPERATURE HIGH SD on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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