U1252 — SCP (J1850) Invalid or Missing Data for Class A Functions
What it means
U1252 is an OBD-II diagnostic trouble code: SCP (J1850) Invalid or Missing Data for Class A Functions.
Typical fix
Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.