Rehlko

I/OMODULELOSTCOMM

UnclassifiedGeneral

What This Code Means

I/O device stopped communicating; I/O device specified address is incorrect

Possible Causes

  • •I/O device communication failure or incorrect address
  • •I/O device does not have a correct address specified
  • •I/O device has stopped communicating

Suggested Actions

  1. 1Reestablish communication

Related Rehlko Fault Codes

INTERN ERROR SHUTDWNL WTI/O MODULE NOT FOUNDLCLI/O MODULE COMMUNICATIONS LOSTLED 4HWTLED4HIGH ENGINE TEMPERATURELED5HIGH BATTERY VOLTAGELF
Browse all Rehlko fault codes

ASK RUDY ABOUT THIS FAULT

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

GET THE ANSWER

Free account required — we'll bring your question with you.