U0250
Lost Communication With Impact Classification System Module
What it means
U0250 means Lost Communication With Impact Classification System Module.
Where it lives
For U0250, the part to look at first is the module named here.
Check these first
- Damaged wiring or connectors between the impact classification system module and the network
- A failed impact classification system module
- Corrosion or water at the module or connectors
- A software fault in the onboard diagnostics system
What to do next
- Scan the network and confirm the impact classification module is offline
- Inspect the module wiring and connectors for damage
- Check the module and connectors for water or corrosion
- Update the diagnostics system software
- Replace the impact classification system module if it stays offline
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.