2023 Ic Bus Ce TSBs
35 Technical Service Bulletins across 11 categories
Categories
Other
13 bulletinsJ1939 Data Link Source Address Information
Diagnosis of chassis wander complaints.
Luggage rack upholstery repair; only busses equipped with luggage rack.
J1939 Data Link Source Address Information
J1939 Data Link Troubleshooting
Telematics installation guidelines - Only units with 500K data link
J1939 Data link source address information
Pico Scope CCOS (Crankcase Separator Test)
PicoScope Test One Channel RCT
PicoScope Test Resistance and Ohmmeter
PicoScope Test for Datalink (CAN) Health Shorts & opens
J1939 Data Link Source Address Information
Greenhouse Gas Phase 2 Regulatory Compliance Implementation
Engine
6 bulletinsHow to request a horsepower quote; all International and Cummins engines
CE Bus Engine Cover Sealing
Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI...
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engines or Cummins ISB engine with Allison transmissions
QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
QLS Emergency Calibration.
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applies to 2016 and newer Cummins B6.6, X15, and L9 engines and all A26 engines
Electrical
4 bulletinsThis document details the procedure that must be followed to ensure proper alternator troubleshooting.
Cummins B6.7 Grid Heater Relay
General Wheel Speed Sensor Troubleshooting
PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
Brakes
2 bulletinsThis document is to guide users to eliminate brake pedal rattle noise.
The rear axle brake chambers may be installed in the incorrect mounting slot which could lead to long term durability...
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issues.
Pre-Delivery & Maintenance
2 bulletinsBus seat back foam inspection guidelines
Webasto Thermo Pro 90 Service and Repair Manual; Only CE bus with feature code 0049JAN or 0049JAP
Body & Paint
2 bulletinsThese certain buses may have roof water leaks resulting from incorrect assembly described in Roof Joint Recalls 23501...
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and 23502.
Bus roof leaks
Transmission
2 bulletinsAs reported by R. H. Sheppard Co., Inc.
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in their defect report to NHTSA (Recall 22E-047), steering gears were assembled with fewer than the required number of recirculating balls which can lead to a fracture in the steering gear worm-shaft and loss of vehicle steering.
Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
Fuel System
1 bulletinBus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
HVAC & Climate
1 bulletinAir Compressor Inlet Hose Chaffing / Leaking
Steering
1 bulletinThe steering wheel retaining nut may not have been torqued properly during assembly and may allow the steering wheel to...
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loosen, and possibly separate from the steering column shaft.
Hybrid & EV
1 bulletinElectric Vehicle Electric Heat Operation