ENGINE SPEED HIGH SD *

UnclassifiedSpeed

What This Code Means

Engine speed exceeds 115% of the normal running speed for more than 0.3 seconds

Suggested Actions

  1. 1Contact an authorized dealer for service

ASK RUDY ABOUT THIS FAULT

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

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