NHTSA ID Number: 11017808
Manufacturer Communication Number: IK2300041
TSB/Document Date: 2025-05-05
Summary
Title: 6090/6091 Connector Damage Applies To: IC Bus® Electric CE Series, International® eMV™ Series
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TSB/Document ID: IK2300041
- Identifier the manufacturer uses to identify the communication and the way it can be located by those searching for it.
Replacement Service Bulletin Number:
- Replacement service bulletin number.
MFR Communication Date: 2025-04-21
- Date the communication was disseminated by the manufacturer.
MFR Internal Campaign ID/Software Version: IK2300041
- Manufacturer's unique identifier for the service campaign if this communication is a related one.
Communication Type: Service Bulletin/Repair Instructions
- Service Bulletin / Repair Instructions - Service Campaign - Warranty Program / Extension - Over The Air - Emissions - Other
NHTSA Components: ELECTRICAL SYSTEM
- NHTSA Component(s) of the products involved in communications.
MFR Component System:
- Manufacturer's top-level component of the products involved in communications.
MFR Component Subsystem:
- Manufacturer's component subsystem of the top-level component identified above.
Countries: CANADA, MEXICO, UNITED STATES Document ID: IK2300041 Availability: ISIS, Bus ISIS, NotSIR Revision: 0 Major System: Current Language: ELECTRIC VEHICLE Created: Last Modified: 4/21/2025 Author: Josh Bowman English Other Languages: NONE Viewed: 4/22/2025 55 Less Info Coding Information Hide Details Copy Link Copy Relative Link Bookmark Add to Favorites Print Provide Feedback View My Bookmarks Helpful Not Helpful 2 0 Title : 6090/6091 Connector Damage Applies To : IC Bus® Electric CE Series, International® eMV™ Series CHANGE LOG Please refer to the change log text box below for recent changes to this article: 04/22/2025 - Initial Article Release DESCRIPTION This document will guide the user through identifying a possible damaged 6090/6091 connector due to improper harness routing/clipping. Each scernio may vary depending on which terminal(s) and/or circuit wire(s) being affected. SYMPTOMS Diagnostic Trouble Codes & Dashboard Indicator Lights: DTC/Light Description SPN 2128 FMI 9 Source Address 128 : Abnormal Update Rate SPN 2176 FMI 9 VCU Communication with DCDC2 : Abnormal Update Rate SPN 2179 FMI 9 VCU Communication with DCDC1 : Abnormal Update Rate SPN 2186 FMI 9 VCU Communication with HVDM-TPIM : Abnormal Update Rate SPN 2187 FMI 9 VCU Communication with HVDM-HVDU : Abnormal Update Rate SPN 2188 FMI 9 VCU Communication with HVDM-DC Fast Charger : Abnormal Update Rate SPN 2189 FMI 9 VCU Communication with HVDM-Front A/C Compressor Inverter Module : Abnormal Update Rate SPN 2190 FMI 9 VCU Communication with HVDM-Rear A/C Compressor Inverter Module : Abnormal Update Rate SPN 2239 FMI 9 VCU Communication with TPIM : Abnormal Update Rate SPN 2243 FMI 9 VCU Communication with BMS : Abnormal Update Rate SPN 517200 FMI 2 J1939 Lost : Data Erratic, Intermittent Or Incorrect SPN 517207 FMI 4 Under-Voltage (High Voltage) : Voltage Below Normal, Or Shorted To Low Source SPN 517300 FMI 11 SPN 520450 FMI 0 SPN 520450 FMI 0 SPN 523545 FMI 7 SPN 523546 FMI 7 A/C control module: Rear A/C module to A/C control module communication fault : Root Cause Not Known DCDC2 Input Voltage Under Limit : Data Valid But Above Normal Operational Range - Most Severe Level DCDC1 Input Voltage Under Limit : Data Valid But Above Normal Operational Range - Most Severe Level VCU - HVDM Smart Connection Element for - TPIM Faulty : Mechanical System Not Responding Or Out Of Adjustment VCU - HVDM Smart Connection Element for - HVDU Faulty : Mechanical System Not Responding Or Out Of Adjustment SPN 523548 FMI 7 A/C Compressor Inverter Module Faulty : Mechanical System Not Responding Or Out Of Adjustment SPN 523559 FMI 9 Supervisory Control Unit communication with OCI : Abnormal Update Rate SPN 523561 FMI 9 Supervisory Control Unit communication with BMS : Abnormal Update Rate SPN 523643 FMI 5 HVDM/S-BOX High Voltage Interlock : Current Below Normal Or Open Circuit SPN 523644 FMI 6 TPIM/Drive Motor High Voltage Interlock : Current Below Normal Or Open Circuit SPN 523645 FMI 5 2-in-1 High Voltage Interlock : Current Below Normal Or Open Circuit SPN 523646 FMI 5 DCDC1/DCDC2/HVDU HV Interlock : Current Below Normal Or Open Circuit SPN 523649 FMI 2 Charge Plug : Data Erratic, Intermittent Or Incorrect SPN 523650 FMI 7 DDC to DC Converter 1 : Mechanical System Not Responding Or Out Of Adjustment SPN 523651 FMI 7 DC to DC Converter 2 : Mechanical System Not Responding Or Out Of Adjustment SPN 523655 FMI 14 HVESS Initialization : Special Instructions SPN 523657 FMI 2 HVESS Battery Switch State : Data Erratic, Intermittent Or Incorrect SPN 5919 FMI 1 HVESS Voltage Level : Data Valid But Below Normal Operational Range - Most Severe Level SPN 5919 FMI 2 HVESS Voltage Level : Data Erratic, Intermittent Or Incorrect Customer Observations or Concerns: Lights on the cluster Intermittent derate High-voltage drive concerns SPECIAL TOOLS / SOFTWARE Tool Description Tool Number Comments Instructions N/A N/A N/A N/A SERVICE PARTS INFORMATION Kit Description Part Number Quantity Notes Required Refer to Connector Body Composite ID from failure as needed 6090/6091, underhood left side of cowl DIAGNOSTIC STEPS Step Action DIAGNOSTIC: Are any of the faults listed above active alongside any of the symptoms? Decision Yes. Perform visual inspection on 6090/6091 connector located underhood at left side of cowl. Look for: - Damaged wiring - Missing connector lock - Connector pulled apart - Pulled back terminals 1 Repair accordingly To prevent re-occurence, cut clipping points to allow slack and re-secure. No. No further action needed. Failure Examples Figure 1: Wire Tension Figure 2: Missing Lock - Connector Pulled Apart Figure 3: Pulled Back Pin After repairing connector, terminals or wiring; to prevent re-occurence cut clipping points to allow slack to the 6090/6091. Resecure as needed. WARRANTY INFORMATION Warranty Claim Coding: Refer to the Warranty Coding Manual for Group and Noun Codes. Standard Repair Times: Refer to the SRT Manual for Repair Times OTHER RESOURCES Master Service Information Site Hide Details Feedback Information Viewed: 54 Helpful: 2 Not Helpful: 0 No Feedback Found Copyright © 2025 Navistar
, Inc.
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