Electronic Modular Control Panel II (EMCP II) for EUI Engines Caterpillar

CID 590 FMI 9 Engine Electronic Control Module Abnormal Update - Test

Usage:

3516B 1NW

The CID 590 indicates that the engine ECM has stopped responding to periodic information that has been requested by the GSC.

The possible cause of a CID 590 FMI 9 is an open circuit of the two CAT data link wires that connect to contacts 19 and 20. Another cause is an engine ECM that is faulty or an engine ECM that is disconnected from the GSC.

Troubleshoot and repair the wiring or the engine ECM. Refer to Troubleshooting, SENR1003, "3500B EPG Engines" for further information.

Clear the diagnostic code from the fault log after troubleshooting is complete. The GSC is usually programmed to treat a CID 590 as an alarm fault (P04 = 0). If the GSC is programmed to shut down the engine (P04 = 1) for a fault with the engine ECM, then it is not necessary to press the alarm codes key in order to see the CID FMI. The diagnostic codes are automatically shown on the upper display.

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