Customer Communication Module (CCM) for Diesel Engines Caterpillar

Diagnostic Code - Troubleshoot

Usage:

The CCM has internal troubleshooting to aid in solving various system problems.

Note: For the 117-6170 System Communication Modules, the logged faults will appear on the display of the CCM in 60 second intervals. The error codes will be displayed for 2 seconds. The flashing fault log will not appear for any other version of CCM. The fault log can be cleared by using the PC software for the CCM.

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Table 1
CCM Error Codes
CCM Error Code	Explanation	Action Required
E00	No fault, normal operating mode	None
E01	Setpoint (EEPROM) fault	CCM passwords, unit addresses, or communication setups are corrupted. Reprogram from Phone-Book and Utilities pull-down menus.
E02	M5X message error	Check customer generated M5X code
E03	Memory backup battery is weak	Change battery. Refer to Operation and Maintenance Manual, "Battery - Replace"
E04	RS-232C link short circuit fault	Check RS-232C cable, PC port, and CCM port
E05	Internal buffer overflow on RS-232C or Data Link fault	Possibly caused by a slower than acceptable communication rate from the RS-232C port or an open CAT Data Link connection during RS-232C transmission. Increase communication rate and check CAT Data Link wires.
E06	Invalid CAT Data Link Message fault	Caused by: 1. Too much traffic on CAT Data Link. 2. CAT Data Link wires too long. Remove ECAP or other Caterpillar electronic service tool devices overloading CAT Data Link and check CAT Data Link wires.
E07	Miscellaneous CAT Data Link Fault	Caused by: 1. (+/-) CAT Data Link shorted to (+/-) battery. 2. Internal hardware fault in CCM. Check CAT Data Link wiring and then replace CCM if wiring is good.
E08	RS-232C link message fault (parity, data size)	Check RS-232C protocol (communication rate, data bits, stop bits, parity) of CCM and PC.
888	Internal CCM fault	Replace the CCM.