Brake Pedal Input Circuit Failure
Findings, check these first
- Open brake pedal input wire to the ABS module
- Failed brake pedal switch
- Blown brake lamp fuse shared with the input
- Corroded ABS module connector
- Companion U0100 communication fault (diagnose that first)
Standard procedure
- Check for U0100 alongside. Diagnose communication faults first
- Verify brake lamp operation
- Test the brake switch and its adjustment
- Check the input wire continuity to the ABS module
- Repair wiring or replace the switch
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: B1483 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for B1483: BRAKE PEDAL INPUT CIRCUIT FAILURE
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- B1483 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for B1483: Brake Pedal Input Circuit Failure
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-25.
Report a correction for B1483. Include your vehicle, the issue and a source if you have one.