516403

UnclassifiedLubrication

What This Code Means

Small quantity injection correction failed; Pressure control valve load is short circuited; Pressure control valve short circuit load; Starter digital input inhibition due to short circuit; Starter digital input 2 inhibition due to short circuit

Possible Causes

  • Voltage issue with injector
  • Short circuit in load
  • Short circuit

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 516403 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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