NHTSA ID Number: 10130867
Manufacturer Communication Number: IK1600228
TSB/Document Date: 2018-04-02
Summary
Air Conditioning Inoperative due to Low PSI A/C Switch: only models with HVAC feature code 16WKB or 16VRT
IK1600228 HX Air Conditioning Inoperative due to Low PSI A/C Switch
Page 1 of 3
Countries:
CANADA, UNITED STATES,
MEXICO
Document
ID:
IK1600228
Availability:
ISIS, FleetISIS, IsSIR
Revision:
0
Major System:
CAB / SLEEPER / HOOD
Created:
7/20/2017
Current
Language:
English
Last
Modified:
7/21/2017
Other
Languages:
NONE
Author:
Amber
Chapman
Viewed:
64
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Title : HX Air Conditioning Inoperative due to Low PSI A/C Switch
Applies To : HX with HVAC feature 16WKB or 16VRT
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
07/27/2017 - Initial Article Release
DESCRIPTION
This document will guide the user through repairing intermittent A/C failures due to condensation build-up which causes the A/C
low pressure switch to stick.
This document applies to HX with HVAC feature 16WKB or 16VRT. This document does NOT apply to vehicles with APADS.
SYMPTOM(s)
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
Not applicable
Customer Observations or Concerns:
Intermittent A/C inoperative or not cooling, most likely to occur in regions with high humidity
SPECIAL TOOL(s) / SOFTWARE
Tool Description
Tool Number
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 8/2/2017
IK1600228 HX Air Conditioning Inoperative due to Low PSI A/C Switch
A/C Machine
Page 2 of 3
N/A
Tools Resource Center
SERVICE PARTS INFORMATION
Parts Catalog – Click Here
Kit Description
Part Number
Quantity
Notes
Required
Switch Air Cond Press Kit
2611208C91
1
Switch Heater (Freeze Probe)
2607881C1
1
ORING 10.82x1.78
2610413C1
2
ORING 14.16IDx1.75THK2
2610416C1
1
ORING 5/16x7/16 CLASS 6
379366R1
1
DIAGNOSTIC STEP(s)
Possible Causes:
Water ingression into low pressure switch
Step Action
DIAGNOSTIC:
Diagnose issue using 2017-2020 HX Tecnician Manual (Service and
Diagnostic).
Was the issue resolved?
1
Decision
Yes. Release unit
No. Replace low pressure switch and
switch heater (freeze probe) according
to
20172020 HX Tecnician Manual
(Service and Diagnostic)
REPAIR STEP(s)
REMOVAL and INSTALLATION PROCEDURE:
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 8/2/2017
IK1600228 HX Air Conditioning Inoperative due to Low PSI A/C Switch
Page 3 of 3
See 2017-2020 HX Tecnician Manual (Service and Diagnostic) for switch replacement.
WARRANTY INFORMATION
Warranty Claim Coding:
Refer to the Warranty Coding Manual for Group and Noun Codes.
Group
Noun
19000 Accessories
825 Switch
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
SRT Description
SRT
Switch, Refridgerant Low or High Pressure
Replace
A19-7880A
Freeze Probe Replace
A19-8001A-20
Air conditioning system recover, evacuation and
recharge
A19-7005A-22
OTHER RESOURCES
Master Service Information Site
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Copyright © 2017 Navistar
, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 8/2/2017
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: IK1600228
Replacement Service Bulletin Number:
MFR Communication Date: 2017-07-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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