Detroit DD16 GHG14 (2014-16) Fault Code: SPN 625 FMI 13 (CPC) TCM System IDs Not Received or Stopped Arriving

DESCRIPTION:
Message not received or has stopped arriving.

MONITORED PARAMETER:
Controller area network (CAN) communication.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

VERIFICATION:
Engine idle: One minute.

NOTE: If there are any battery related faults, repair those first.

PROBABLE CAUSES:
1. Wiring between the MCM 21-pin connector at pins 7, 11, 12, 14, or 15 and ground.
2. Wiring between the MCM 21-pin connector at pins 5, 6, 8, or 9 and the battery.
3. Corrosion/debris at the MEM 120-pin connector.
4. Failed MCM.

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