U1146 — SCP (J1850) Invalid or Missing Data for Vehicle Security
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: All makes (OBD-II standard)
| Meaning | SCP (J1850) Invalid or Missing Data for Vehicle Security. |
| Family | Network (U) |
Frequently asked questions
What does code U1146 mean?
SCP (J1850) Invalid or Missing Data for Vehicle Security. SCP (J1850) Invalid or Missing Data for Vehicle Security.
Can I keep driving with code U1146 active?
With caution: limp mode possible, have it checked soon
How do you fix code U1146?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.
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