Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Ford Mustang EcoBoost, 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 | GO to Pinpoint Test D |
| P170A | Clutch Switch Out Of Self-Test Range | GO to Pinpoint Test D |
| P1703 | Brake Switch Out Of Self-Test Range | GO to Pinpoint Test B |
| U0104 | Lost Communication With Cruise Control Module | GO to Pinpoint Test F |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Module | GO to Pinpoint Test E |
| All other Diagnostic Trouble Codes (DTCs) | - | Refer to the appropriate Engine article for the procedure. |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.