OBD-II · CODE FAMILY
Codes U21xx — what they mean
U21xx is a family of 4 manufacturer-specific OBD2 codes covering network and electrical faults. Each U21xx code below links to its own page with causes, diagnosis and the parts to fix it.
4 codesNetwork systems
FAMILY
RangeU2150–U2195
Codes4
TROUBLEATLAS APP
01All codes in this family
One rich, indexed page — not thousands of empty ones. Each code links to its own page.
| Code | Meaning — click to open the code page | System | Severity |
|---|---|---|---|
| U2150 | SCP (J1850) Invalid Data from REM → /auto/codes/u2150/ SCP (J1850) Invalid Data from REM | Network | Medium |
| U2152 | SCP (J1850) Invalid Data from GEM → /auto/codes/u2152/ SCP (J1850) Invalid Data from GEM | Network | Medium |
| U2160 | SCP (J1850) Invalid Data from IC → /auto/codes/u2160/ SCP (J1850) Invalid Data from IC | Network | Medium |
| U2195 | SCP (J1850) Invalid Data from SCLM → /auto/codes/u2195/ SCP (J1850) Invalid Data from SCLM | Network | Medium |
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