2022 IC Bus Cesb Engine Problems
- Complaints
- 4about this part
- Share
- 80%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2022 IC Bus Cesb, 80% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“School Bus- Engine exhaust pipe from the exhaust manifold has melted from excessive heat in the system creating large hole for fumes and potential fire to escape. Exhaust is inadequate for the heat levels from the engine or engine performance is misprogrammed to create excessive heat/fuel. Widespread issue with many school buses in our fleet with the same powertrain.”
NHTSA complaint #11659952, filed 2025-05“The engine exhaust downpipe melted and cracked- creating a large exhaust pipe hole near the engine exhaust manifold. Releasing exhaust gases and potential flames. This is a school bus and it happens frequently with this model.”
NHTSA complaint #11700729, filed 2025-11“This is a school bus. Exhaust down pipe from exhaust manifold melted down and created a large hole for fumes and potential fire from excessive heat/fuel issue in engine.”
NHTSA complaint #11661105, filed 2025-05Related service bulletins
- 11028361Feb 5, 2026New CARB Idle Reduction Change Request
- 11028362Jan 26, 2026This document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. Customer requested changes…
- 11028359Jan 2, 2026Engine replacements for all International engines will need to follow this procedure.
- 11024944Oct 10, 2025This document will guide users through supplemental oil consumption diagnostics for 8.8L PSI gas and propane engines.
- 11023644Sep 18, 2025The purpose of this article is to provide updated guidance regarding PSI 8.8L repair versus engine replacement.
- 11006672Aug 6, 2024This document will guide a user to replace and reroute Charge Air Cooler (CAC) for vehicles built with the Cummins ISB and B6.7 engines.
- 11000880May 22, 2024The purpose of this article is to provide updated repair guidelines for the engine oil pan leak on all 8.8L gasoline and LPG.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 4 | 80% |
Other parts of the 2022 IC Bus Cesb
← All problems reported for the 2022 IC Bus Cesb
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology