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.
Audio Control Module (ACM) Self-Diagnostic Mode
2014 Ford F-150 FX2, 2D PickupSECTION Audio Control Module (ACM) Self-Diagnostic Mode
NOTE:
If the Audio Front Control Module (ACM), Front Control/Display Interface Module (FCDIM) (if equipped), Front Controls Interface Module (FCIM), or Front Display Interface Module (FDIM) (if equipped) are inoperative (blank or do not power on), obtain the ACM
part number by referencing the label attached to the ACM
chassis.
- Turn the ACM on.
- Operate the audio system in radio tuner AM/FM mode.
- Press and hold the EJECT button, and within 1 second, press and hold the SEEK UP button until the speaker walk-around test begins.NOTE: AHU Diagnostics refers to the ACM , EFP Diagnostics refers to the FCIM , and MFD Diagnostics (if supported) refers to the FCDIM (if equipped).
- To exit the self-diagnostic mode, turn the ACM off, or select "Exit Diagnostics."
RENDER: 1.0x
NO RELATED
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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.