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.
2021 Ford F-150 RaptorFACTORY OEM SERVICE PROCEDURE
Pinpoint Tests YA: Powertrain Control Module (PCM) Internal Software Concern: Introduction
NOTE:
This pinpoint test is intended to diagnose informational DTCs that are the result of the failure mode effects management (FMEM) operating strategy that maintains limited vehicle function in the event of a PCM, software configuration, wiring harness or a component concern. Circuit, component, and communication DTCs may be accompanied by the informational DTCs and must be diagnosed first. Informational DTCs without the presence of other DTCs may or may not indicate the actual concern and should be diagnosed as a symptom.
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:
- • 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.
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