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critical Ford
Error Code ELECTRONIC THROTTLE CONTROL (RTT) BEEPING CHIME
The engine has defaulted to a 'limp-home' operation indicating an electronic throttle control fault.
? What Causes This
Malfunction or electrical issue with the throttle system, requiring detailed diagnostics by service technicians.
✓ How to Fix It
Visit your authorized dealer immediately for professional examination and repair.
Source: page 14 of the official manual
From the manual
This error code appears in:
Ford F 150 2009 2014 Fuses And Fuse Box Diagram And Location