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 MANUALSFORD2010FOCUS SE, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXINFORMATION AND ENTERTAINMENT SYSTEMS DTCSAUDIO CONTROL MODULE (ACM) DTC LIST
2010 Ford Focus SE, 2D Coupe, Standard
Audio Control Module (ACM) DTC List
2010 Ford Focus SE, 2D Coupe, StandardSECTION Audio Control Module (ACM) DTC List
Audio Control Module (ACM) DTC List
| DTC | Description | Action |
|---|---|---|
| B1031 | SDARS Satellite Antenna Open | GO to PINPOINT TEST F . |
| B1032 | SDARS Satellite Antenna Short | GO to PINPOINT TEST F . |
| B1117 | Audio Steering Wheel Button Stuck | GO to PINPOINT TEST L . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST U . |
| B1342 | ECU is Faulted |
NOTE:
Repair all other DTCs first before diagnosing DTC B1342. CLEAR the DTCs. REPEAT the self-test. If only DTC B1342 is retrieved again, INSTALL a new Audio Control Module (ACM). refer to AUDIO CONTROL MODULE (ACM)
. TEST the system for normal operation. |
| B2103 | Antenna Not Connected | GO to PINPOINT TEST E . |
| B2404 | Audio Steering Wheel Switch Circuit Fault | GO to PINPOINT TEST L . |
| B2406 | Audio Disc CD Player Internal Fault |
NOTE:
DTC B1342 may also set. CLEAR the DTCs. REPEAT the self-test. If DTC B2406 or DTC B1342 is retrieved again, INSTALL a new ACM
. refer to AUDIO CONTROL MODULE (ACM)
. TEST the system for normal operation. |
| B2477 | Module Configuration Failure | refer to MODULE CONFIGURATION . |
| B2965 | Audio System Speaker Circuit Fault | GO to PINPOINT TEST C . |
| U0140 | Lost Communication With Body Control Module(GEM ) | GO to PINPOINT TEST N . |
| U0155 | Lost Communication With Instrument Panel Cluster(IC ) Control Module | GO to PINPOINT TEST AB . |
| U0197 | Lost Communication With Telephone Control Module | GO to PINPOINT TEST AE . |
| U0255 | Lost Communication With Front Controls Interface Module | GO to PINPOINT TEST AF . |
| U0256 | Lost Communication With Front Display Interface Module | GO to PINPOINT TEST AG . |
| U2050 | No Application Present | refer to MODULE CONFIGURATION . |
| U2051 | One or More Calibration Files Missing/Corrupt | refer to MODULE CONFIGURATION . |
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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.