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.
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HOMESERVICE MANUALSFORD2009PICKUP F350 SUPER DUTY, 2D PICKUP, 6.8 Y, RWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXDTC INDEX -- F250-F550 SUPER DUTYINFORMATION & ENTERTAINMENT SYSTEMS DTCSAUDIO CONTROL MODULE (ACM)
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, RWD, Standard
Audio Control Module (ACM)
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, RWD, StandardSECTION Audio Control Module (ACM)
AUDIO CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1136 | Audio Steering Wheel Switch #2 Circuit Failure | Go to Pinpoint Test D . |
| B1154 (Audiophile only) | Subwoofer #1 Short to Ground | Go to Pinpoint Test C . |
| B1155 (Audiophile only) | Subwoofer #1 Short to Battery | Go to Pinpoint Test C . |
| B2103 | Antenna Not Connected | Go to Pinpoint Test A . |
| B2204 | GPS Antenna Connection Open or Short | Go to Pinpoint Test I . |
| B2404 | Audio Steering Wheel Switch Circuit Failure | Go to Pinpoint Test D . |
| B2913 (Audiophile only) | Audio Subwoofer Not Connected | Go to Pinpoint Test C . |
| B2965 | Audio System Speaker Circuit Fault | Go to Pinpoint Test B . |
| U2473 | Unexpected Vehicle Speed (VSS) | Go to Pinpoint Test M . |
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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.