NHTSA ID Number: 10153388
Manufacturer Communication Number: sb54299
TSB/Document Date: 2019-02-19
Summary
ICU3 to ICU3S Replacement Guidelines
54-299
ICU3 to ICU3S Replacement Guidelines
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
Freightliner
Service Bulletin
> Business Class M2
> Cascadia
> 108SD/114SD
New Cascadia
General Information
The ICU3 is no longer installed in production, and has been superseded by the ICU3S. When replacing an
ICU3, the ICU3S must be installed in its place.
While the ICU3S is similar to the ICU3, the physical size and location of the telltales is different. ICU3 telltales
do not fit in the carriers for the ICU3S, and must be replaced. To determine the part numbers for each telltale,
do a search in PartsPro for Part Number 24-54925. See Fig. 1.
07/13/2017
f546781
Fig. 1, PartsPro ICU3S Telltale Search
The search returns a list of all the telltale part numbers for original equipment. See Fig. 2.
07/13/2017
f546780
Fig. 2, PartsPro ICU3S Telltale Search Results
To order telltales, cross reference ICU3 telltales with ICU3S telltales shown in Table 1. Use the telltale images
in Fig 3 and Fig 4 to verify that the correct telltale is selected. The last three digits of each part number
identifies the telltale.
NOTE: Some telltales that were available on the ICU3 are now permanent telltales in the ICU3S, or are part of
the ICU3S LCD display. In these cases, the part number field for ICU3S is blank.
Freightliner Service Bulletin, 09/12/2017
Page 1
54-299
Freightliner
Service Bulletin
ICU3 to ICU3S Replacement Guidelines
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
> Business Class M2
> Cascadia
> 108SD/114SD
New Cascadia
Telltale Part Numbers
ICU3S Telltale Part
ICU3 Telltale Part Number
Number
24-54925-000
—
24-54925-001
—
24-54925-002
—
24-54925-003
24-01840-000
24-54925-004
—
24-54925-005
—
24-54925-006
24-01840-049
24-54925-007
—
24-54925-008
—
24-54925-009
24-01840-001
24-54925-010
—
24-54925-011
24-01840-002
24-54925-012
24-01840-003
24-54925-013
24-01840-004
24-54925-014
24-01840-005
24-54925-015
24-01840-006
24-54925-016
24-01840-007
24-54925-017
—
24-54925-018
24-01840-008
24-54925-019
24-01840-009
24-54925-020
24-01840-010
24-54925-021
—
24-54925-022
24-01840-011
24-54925-023
24-01840-012
24-54925-024
24-01840-013
24-54925-025
24-01840-014
24-54925-026
—
24-54925-027
—
24-54925-028
—
24-54925-029
—
24-54925-030
24-01840-015
24-54925-031
24-01840-016
24-54925-032
24-01840-017
24-54925-033
24-01840-018
24-54925-034
24-01840-019
24-54925-035
24-01840-020
24-54925-036
24-01840-021
24-54925-037
24-01840-022
24-54925-038
24-01840-023
24-54925-039
—
Page 2
Freightliner Service Bulletin, 09/12/2017
ICU3 to ICU3S Replacement Guidelines
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
> Business Class M2
> Cascadia
> 108SD/114SD
New Cascadia
54-299
Freightliner
Service Bulletin
Telltale Part Numbers
ICU3S Telltale Part
ICU3 Telltale Part Number
Number
24-54925-040
24-01840-024
24-54925-041
24-01840-025
24-54925-042
24-01840-026
24-54925-043
24-01840-027
24-54925-044
24-01840-028
24-54925-045
24-01840-029
24-54925-046
—
24-54925-047
24-01840-030
24-54925-048
—
24-54925-049
24-01840-031
24-54925-050
24-01840-032
24-54925-051
24-01840-033
24-54925-052
—
24-54925-053
24-01840-034
24-54925-054
24-01840-035
24-54925-055
24-01840-036
24-54925-056
24-01840-037
24-54925-057
—
24-54925-058
—
24-54925-059
—
24-54925-060
—
24-54925-061
—
24-54925-062
24-01840-038
24-54925-063
24-01840-039
24-54925-064
—
24-54925-065
24-01840-041
24-54925-066
24-01840-064
24-54925-067
—
24-54925-068
—
24-54925-069
24-01840-067
24-54925-070
24-01840-042
24-54925-071
24-01840-043
24-54925-072
24-01840-044
24-54925-073
24-01840-045
24-54925-074
24-01840-065
24-54925-075
24-01840-066
24-54925-076
24-01840-040
24-54925-077
24-01840-046
24-54925-078
24-01840-047
24-54925-079
—
Freightliner Service Bulletin, 09/12/2017
Page 3
54-299
Freightliner
Service Bulletin
ICU3 to ICU3S Replacement Guidelines
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
Century Class Conventional
Argosy COE
Cargo
Columbia
122SD and Coronado
> Business Class M2
> Cascadia
> 108SD/114SD
New Cascadia
Telltale Part Numbers
ICU3S Telltale Part
ICU3 Telltale Part Number
Number
24-54925-080
24-01840-048
24-54925-081
—
24-54925-082
24-01840-050
24-54925-083
24-01840-051
24-54925-084
24-01840-052
24-54925-085
24-01840-053
24-54925-086
24-01840-054
24-54925-087
24-01840-055
24-54925-088
24-01840-056
24-54925-089
24-01840-057
24-54925-090
24-01840-058
24-54925-091
24-01840-059
24-54925-092
24-01840-060
24-54925-093
24-01840-061
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TSB/Document ID: sb54299
Replacement Service Bulletin Number:
MFR Communication Date: 2017-09-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
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