PLATE 4S5834 - Caterpillar

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The following diagnostic code information is used with Caterpillar ® machines that are equipped with electronic controls over a standard Cat ® data link (CDL).Module (MID), Component (CID), and Failure Mode (FMI), are information identifiers that help service personnel diagnose the system problems of a Caterpillar ® machine.A Component Identifier (CID) is a diagnostic code that informs the service personnel of the specific circuit or system within which a problem was detected.Failure Mode Identifiers (FMI) are diagnostic codes that inform service personnel of the type of problem that has been detected within a circuit or system.A Module Identifier (MID) identifies the Electronic Control Module (ECM) or Electronic Control Unit (ECU) that has diagnosed a fault.An Event Code or Event Identifier (EID) identifies significant events that occur to the systems of the machine. The ECM / ECU may store (log) data from these events. This function allows tracking the performance history of the machine. The data is used as an aid for Managers, Service, and Maintenance personnel.Module Identifiers (MID)
Table 1
MID Description Data Link
9 Handheld Service Tool CDL
10 Digital Diagnostic Tool CDL
11 Communication Adapter CDL
12 Electronic Control Analyzer Programmer CDL
13 Cat ® Electronic Technician CDL
14 Electronic Ignition System CDL
15 Spark Ignited Engine Timing Control CDL
17 34XX SI Engine Control CDL
18 35XX SI Engine Control CDL
19 36XX SI Engine Control CDL
20 Torsional Control CDL
21 G3600 I/O Module CDL
22 G3600 Pressure Module CDL
23 Detonation Module CDL
25 Ether Aid Control CDL
26 CMS CDL
27 Transmission/Chassis Control CDL
28 Traction Aid Control CDL
29 Computerized Profiler Control CDL
30 Caterpillar ® Monitoring System CDL
31 Electronic Scraper Transmission Control CDL
33 Engine Control #2 CDL
34 Engine Control #3 CDL
35 Engine Control #4 CDL
36 Engine Control #1 CDL
37 Engine Control #5 CDL
38 Engine Control #6 CDL
39 Machine Control Module CDL
40 Engine Control #7 CDL
41 Engine Control #8 CDL
42 Engine Control #9 CDL
43 Engine Control #10 CDL
47 Backup Engine Control CDL
49 VIMS Main Module CDL
50 VIMS Analysis Module CDL
51 VIDS Main Module CDL
52 Graphical Display Module #2 CDL
53 Graphical Display Module CDL
54 Caterpillar ® Monitoring System #2 CDL
55 Analysis Module CDL
57 Interface Module #1 CDL
58 Interface Module #2 CDL
59 Interface Module #3 CDL
60 Interface Module #4 CDL
61 Data Acquisition Module CDL
65 Input/Output Module #1 CDL
66 Input/Output Module #2 CDL
67 Input/Output Module #3 CDL
68 Input/Output Module #4 CDL
73 Auto Ride/2-speed Fan Control CDL
74 Payload Control System CDL
75 All-Wheel Drive Control CDL
76 DeNOx Control CDL
77 DeNOx Display CDL
78 Hitch Control CDL
79 Hydrostatic Transmission Control CDL
81 Transmission Control CDL
82 Electronic Implement Control CDL
83 Automatic Retarder Control CDL
84 Paver Burner Control CDL
85 Engine Fan Control