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#BS-2021-IC CES-5F9E

2021 Ic Bus Cesb

Based on reports from 3 owners and 4 recalls for this exact model.

Complaints
3
Crashes
0
Fires
0
Recalls
4
TSBs
67

Preliminary Verdict

Green Light

Based on 3 complaints, 0 crashes, 0 fires, and 4 recalls.

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Mechanic Inspection Checklist

!Check the EngineHIGH

2 owners reported engine issues.

!Inspect the Fuel SystemMED
Look for symptoms of wear and premature failure
+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (2 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine2 (67%)
Fuel System1 (33%)

2021 Ic Bus Cesb: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 67% of all reports filed for the 2021 Ic Bus Cesb, with 2 owners filing complaints with NHTSA.

Fuel System Issues

Fuel System complaints account for 33% of all reports filed for the 2021 Ic Bus Cesb, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (4 recalls)

21V837000Jan 2022

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Navistar, Inc. (Navistar) is recalling certain 2020-2023 IC CE school buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.

23V398000Park OutsideSep 2023

SERVICE BRAKES, HYDRAULIC:FLUID

Navistar, Inc. (Navistar) is recalling certain 2016 and 2018-2024 IC Bus CE school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.

25V503000Park OutsideDec 2025

SERVICE BRAKES, HYDRAULIC:FLUID

International Motors, LLC (International) is recalling certain 2016-2024 IC Bus CESB school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.

25V580000Dec 2025

STRUCTURE:BODY

International Motors, LLC (International) is recalling certain 2016-2026 IC Bus CESB and 2016-2021 RESB school buses. The underfloor reinforcement may not have been installed, compromising the structural integrity of the buses. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating and Crash Protection."

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 3 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

2021 Ic Bus Cesb: Frequently Asked Questions

What is the most common problem with the 2021 Ic Bus Cesb?
The most commonly reported issue with the 2021 Ic Bus Cesb is related to the engine, with 2 complaints filed with NHTSA.
Is the 2021 Ic Bus Cesb reliable?
The 2021 Ic Bus Cesb has 3 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2021 Ic Bus Cesb problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2021 Ic Bus Cesb have any recalls?
Yes, the 2021 Ic Bus Cesb has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Ic Bus Cesb problems start?
Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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