Rocker arm failure. Detroit released repair at no cost on the DD15 and up but not on the DD5 when they have the exact same problem and design and parts as the larger engines and they know that it is a problem.
- NHTSA ID
- 11696931
- Incident
- Oct 31, 2025
Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Our database holds 1 NHTSA owner-reported complaint for the 2019 Freightliner M2. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
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Rocker arm failure. Detroit released repair at no cost on the DD15 and up but not on the DD5 when they have the exact same problem and design and parts as the larger engines and they know that it is a problem.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Data on this page last refreshed .