U025C
Lost Communication With Special Purpose Vehicle Control Module D
What it means
U025C means Lost Communication With Special Purpose Vehicle Control Module D.
Where it lives
For U025C, start at the module the description names.
Check these first
- Damaged wiring between module D and the OBDII system
- A failed special purpose vehicle control module D
- Corrosion or water in the module or connectors
- The module or its parts fitted incorrectly
- A programming fault in the module
What to do next
- Scan the network and confirm module D is offline
- Inspect module D wiring and connectors
- Check the module and connectors for water or corrosion
- Verify module D is fitted correctly
- Replace special purpose vehicle control module D if faulty
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.