U1261SCP (J1850) Single Ended (-) Circuit Failure

What it means

U1261 is an OBD-II diagnostic trouble code: SCP (J1850) Single Ended (-) Circuit Failure.

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.

Sources