2022 IC Bus Cesb Technical Service Bulletins

99 technical service bulletins (TSBs) are on record for the 2022 IC Bus Cesb. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10241554Aug 14, 2023Electrical system. J1939 Data Link Troubleshooting
• 10238862Jun 21, 2023Fuel system. Bus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
• 10238858Jun 16, 2023Engine cooling. QLS Emergency Calibration Revert Process
• 10237474May 31, 2023Engine cooling. CE Bus Engine Cover Sealing
• 10237476May 15, 2023Body and structure. Bus roof leaks
• 10237462May 10, 2023Engine cooling. QLS Emergency Calibration Revert Process
• 10237447May 10, 2023Engine cooling. Per agreement with EPA and CARB, Cummins, Inc. provided an emergency calibration for Cummins ISB, B6.7, ISL9, L9, and X15 engines when a DEF Quality Sensor (DQS) was not available. This action addressed the Diesel Exhaust Fluid (DEF) Quality Sensor failures in the field and the unavailability of parts due to the worldwide chip shortage.
• 10237452May 9, 2023Visibility (wipers, defrost, mirrors). These certain buses may have a rear A/C system compressor mounting bracket with insufficient clearance between the compressor and bracket that could result in rear A/C compressor lock up.
• 10234015Mar 23, 2023Engine cooling. Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
• 10234007Mar 21, 2023Engine cooling, Transmission and drivetrain, Brakes, Electrical system. Telematics installation guidelines - Only units with 500K data link
• 10234000Mar 15, 2023Engine cooling, Electrical system. Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
• 10232612Feb 23, 2023Engine cooling. Air Compressor Inlet Hose Chaffing / Leaking
• 10231068Jan 10, 2023Engine cooling. QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
• 10227446Nov 18, 2022Engine cooling. QLS Emergency Calibration. applies to 2016 and newer Cummins B6.6, X15, and L9 engines and all A26 engines
• 10227455Nov 16, 2022Electrical system. J1939 Data link source address information
• 10227431Nov 2, 2022Engine cooling. In cold weather, especially during engine warmup, the engine may experience a misfire condition resulting in setting the Malfunction Indicator Lamp (MIL) and possible increase in emissions. Only models with Generation II PSI 8.8L LP engines.
• 10225617Oct 21, 2022Steering. The steering gears may have been assembled with less than the required input shaft ball bearings and can result in a fracture of the input shaft and loss of steering.
• 10222490Sep 29, 2022Engine cooling. Pico Scope CCOS (Crankcase Separator Test)
• 10222480Sep 6, 2022Steering. As reported by R. H. Sheppard Co., Inc in their defect report to NHTSA (Recall 22E-047), an anomaly in the steering gear recirculating ball insertion operation occurred during assembly. Subsequent rework processes and inspections did not detect the missing recirculating balls.
• 10219330Aug 23, 2022Engine cooling. PicoScope Test One Channel RCT
• 10219325Aug 23, 2022Electrical system. PicoScope Test Resistance and Ohmmeter
• 10219319Aug 23, 2022Electrical system. PicoScope Test for Datalink (CAN) Health Shorts & opens
• 10219314Aug 23, 2022Electrical system. PicoScope Test - Battery Loss of Charge - Parasitic Draw Test
• 10215011Jun 23, 2022Electrical system. Certain Electric CE buses may have been built without the proper high voltage Identification labels
• 10215215Jun 10, 2022Forward collision avoidance, Equipment, Vehicle speed control. Certain 2022 and 2023 CE and RE school buses built with feature code 0008TXK or 0008TXM (Bendix Wingman Prewire option) may have been built without the warning label to notify the driver that the collision mitigation system is not operational, as
• 10213208May 25, 2022Brakes. Bus, DuraStar, and MV air compressor inlet hose chaffing/leaking; equipped with Cummins ISB / B6.7 Engines
• 10213198May 20, 2022Steering. The steering wheel retaining nut may not have been torqued properly during assembly and may allow the steering wheel to loosen, and possibly separate from the steering column shaft.
• 10209486Mar 10, 2022Transmission and drivetrain, Electrical system. Electric vehicle charging concerns; electric vehicles only
• 10208431Feb 10, 2022Electrical system, Equipment. J1939 Data Link Source Address Information
• 10208424Feb 8, 2022Brakes. The rear axle brake chambers may be installed in the incorrect mounting slot which could lead to long term durability issues.
• 10207076Jan 11, 2022Engine cooling. With the vehicle in motion, the engine control module (ECM) may set a fault code resulting in engine shut down without warning. Only models equipped with certain PSI engines
• 10204141Nov 22, 2021Body and structure, Transmission and drivetrain, Equipment, Vehicle speed…. Greenhouse Gas Phase 2 Regulatory Compliance Implementation
• 10204135Nov 18, 2021Engine cooling. QLS Emergency Calibration; Models equipped with 2016 and newer Cummins B6.7, X15 and L9 engines or International A26 engine.
• 10204140Nov 9, 2021Visibility (wipers, defrost, mirrors). Electric Vehicle Electric Heat Operation
• 10204129Nov 9, 2021Engine cooling, Electrical system. With the vehicle in motion, the engine control module (ECM) may set a fault code resulting in engine shut down without warning; Only models built with PSI gasoline or LPG engines
• 10204139Nov 2, 2021Steering. Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
• 10204137Nov 2, 2021Electrical system. J1939 Data Link Troubleshooting
• 10202881Oct 25, 2021Electrical system. Power Washing an Electric Vehicle
• 10202871Oct 22, 2021Engine cooling. QLS Emergency Calibration; Models with 2016 Cummins ISX, A26 and EPA 2017 and newer Cummins X15, L9, or B6.7 engines
• 10202882Oct 19, 2021Engine cooling. How to obtain As built parameter list
• 10202883Oct 14, 2021Electrical system. New or replacement body control Module (BC,BCM) not detected; Gen 4 BCM
• 10201758Sep 30, 2021Engine cooling, Equipment. Engine Oil Capacities. All International electronic engines 1994 to present and Cummins ISB, ISM, or ISX engines
• 10201757Sep 30, 2021Engine cooling, Equipment. DuraStar and MV Air Compressor Inlet Hose Rub. Only models equipped with Cummins ISB or B6.7 engines
• 10201756Sep 30, 2021Equipment, Engine cooling, Electrical system. QLS Emergency Calibration. Only models with EPA 2017 and newer Cummins X15, L9, or B6.7 engines
• 10200826Aug 17, 2021Engine cooling. Certain CE series buses may have been programmed with the incorrect parameter setting that may impact regeneration switch functionality.
• 10200827Aug 6, 2021Body and structure. Certain school buses may not conform to Federal Motor Vehicle Safety Standard (FMVSS) 217 – the exit opening configuration may not meet the minimum exit opening criteria.
• 10199916Jul 20, 2021Equipment, Electrical system. Faults setting due to fast key cycle; Electric bus only
• 10199915Jul 19, 2021Brakes. General wheel speed sensor troubleshooting
• 10198708Jun 4, 2021Engine cooling. Aftertreatment Clamp Corrosion; Single Can Aftertreatment Systems

← All problems reported for the 2022 IC Bus Cesb