NAVISTAR

FIELD SERVICE CAMPAIGN - 24107
10 June 2024

SUBJECT:
IC Bus® Electric CE Series school bus Vehicle Control Unit (VCU) update

MODELS INVOLVED:
IC Bus® Electric CE Series school bus

DEFECT DESCRIPTION:
Certain IC Bus® Electric CE Series school buses may need to have the VCU calibrated
to the latest calibration V10000.

ELIGIBILITY:

This procedure applies ONLY to vehicles marked in the International® Service Portals
with FSC 24107. Also complete any other open campaigns listed on the Service Portal
at this time.

TOOLS REQUIRED:

Description Tool Number
EZ-Tech® or Electronic Service Tool (EST) with Service N/A
Diagnostics Solutions (SDS) Software

EZ-Tech® or EST N/A
Battery Charger 55 AMP PSC550CC

Table 1 Tools Information

PARTS REQUIRED:
No required parts.

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WORK INSTRUCTIONS

WARNING! To prevent personal injury and / or death, or damage to property, park
vehicle on hard flat surface, turn the engine off, set the parking brake, and install
wheel chocks to prevent the vehicle from moving in both directions.

WARNING! To prevent personal injury and / or death, always wear safe eye
protection when performing vehicle maintenance.

WARNING! To prevent personal injury and / or death, or damage to property, keep
flames or sparks away from vehicle and do not smoke while servicing the
vehicle’s batteries. Batteries expel explosive gases.

WARNING! To prevent personal injury and / or death, wear and use approved
high-voltage Personal Protective Equipment (PPE) when near a high-voltage
electric vehicle. Inspect PPE before use. Do not use gloves or other PPE with
expired dates, holes, cracks or damage. NEVER touch energized ORANGE high-
voltage cables or high-voltage components without wearing approved high-
voltage PPE.

WARNING! To prevent personal injury and / or death, or damage to property, read
all information in the Safety Information and High-Voltage Safety sections of the
service manual.

NOTE: A new charge port LED label will soon replace the current charge port LED
label. Using the iKNOW system, please see IK2300024 for details regarding this
change.

1. Park vehicle on a level surface.

2. Shift transmission into Park or Neutral and set parking brake.
3. Turn ignition to Key OFF position.

4. Install wheel chocks.

5. Turn ON 12V disconnect switch.

6. Turn ON high-voltage switch.

7. Connect battery charger / maintainer to vehicle battery.

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NOTE: Update VCU using Service Diagnostics Solutions (SDS).
8. Collect health report by selecting Arrival in Health Report — Scan Checkpoint box.

9. Clear inactive / previously active fault codes by selecting Faults button in action
bar.

VEHICLE CONTROL UNIT ®
e TS] ¢ 9 Source Address: 90
stop | Vehicle | Faults | Help 292.886 messages per second
aD } S ee yea ees
b ran CONTROL MODULE 2 :
> VEHICLE CONTROL UNIT °Q
> ON-BOARD CHARGER
INTERFACE °
SUPERVISORY CONTROL UNIT ©
> SWITCH PACK 1 2

, HIGH VOLTAGE CABIN HEATER ©

‘0000484523

Figure 1. SDS Screen
1. Vehicle control unit

10. Under Vehicle tab, scroll down and locate VEHICLE CONTROL UNIT (Figure 1, Item
1).

11. Select BLUE triangle to view additional options.

NOTE: Once the software is upgraded, the SDS tool will automatically reset the
system and reconnect with the vehicle.

NOTE: The V10000 software upgrade affects the EBLVKC long wheel base and
EBSVKC short wheel base vehicles only.

12. Select Upgrade tab to upgrade software to V10000.
NOTE: Verify software has been upgraded to V10000 before disconnecting.
13. Disconnect interface connector from diagnostic port.

14. Disconnect battery charger / maintainer from vehicle battery.

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15. Close and latch hood.

16. Remove wheel chocks.

LABOR INFORMATION

Operation number must appear on all claims.

Operation Number Description Time

A40-24107-1 Update VCU Calibration 0.3 hrs

Table 2 Labor Information

WARRANTY CLAIMS

Warranty claim expense is to be charged to Warranty. Claims are to be submitted in the
normal manner, making reference to Field Service Campaign 24107.

Section 7 of the Warranty Policy and Procedures Manual contains further information
related to the submission and processing of AFC / Recall claims.

As with all claim submissions, items acquired locally must be submitted in the “Other
Charges” tab. The cost of any bulk items (such as a bag of cable tie straps, roll of wire,
barrel of oil, or tube of silicone) should be prorated for the cost of the individual pieces /
amount used during each repair.

To make sure this important improvement is made in a timely manner, all claims for
24107 activity must be submitted by 10 June 2025 or within the normal warranty period
for the component repaired, if after 10 June 2025.

© 2024 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. Page 4