C1420 — Hydraulic Fluid Pressure/ Flow Circuit Short to Vbatt
What it means
C1420 is an OBD-II diagnostic trouble code: Hydraulic Fluid Pressure/ Flow Circuit Short to Vbatt.
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.