2018 Ford Mustang EcoBoost, 2D Coupe, Automatic TransFACTORY OEM SERVICE PROCEDURE

Powertrain Control Module (Pcm)

DTC INDEX

DTC Description Action
P0504 Brake Switch A / B Correlation GO to Pinpoint Test B
P0572 Brake Switch A Circuit Low GO to Pinpoint Test B
P0573 Brake Switch A Circuit High GO to Pinpoint Test B
P0833 Clutch Pedal Switch "B" Circuit For 2.3L and 5.2L engines, GO to Pinpoint Test D
For 5.0L engine, GO to Pinpoint Test E
P170A Clutch Switch Out of Self-Test Range For 2.3L and 5.2L engines, GO to Pinpoint Test D
For 5.0L engine, GO to Pinpoint Test E
P1703 Brake Switch Out Of Self-Test Range GO to Pinpoint Test B
All other Diagnostic Trouble Codes (DTCs) - Refer to the appropriate article for the procedure.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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