garajizOBD-II code · manufacturer-specific
U1203
SCP (J1850) Invalid or Missing Data for Windows
- System
- U — In-vehicle network
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does U1203 mean?
U1203 is defined as “SCP (J1850) Invalid or Missing Data for Windows”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.