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U1900 — CAN Communication Bus Fault (Ford)

Ford-specific CAN bus communication fault.

Severity: HighRepair: $100-$2,000Difficulty: Advanced

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Common symptoms of U1900

Common causes of U1900

Repair cost & difficulty

Typical cost to fix U1900: $100-$2,000 · Difficulty: Advanced

Pro tip: Remove any devices plugged into OBD2 port. Insurance monitors and cheap Bluetooth adapters commonly cause CAN bus interference on Ford.

Vehicles commonly affected

Ford

Related trouble codes

U0001U0073U0100

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.