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.
2006 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE
Audio Unit
AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1342 | ECU is Defective | DOCUMENT and CLEAR the DTCs. CARRY OUT the Audio Unit On-Demand Self-Test. If DTC B1342 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT in this article. TEST the system for normal operation after the repair. |
| B2103 | Antenna Not Connected | GO to PINPOINT TEST B . |
| B2401 | Audio Tape Deck Mechanism Fault | Not applicable for CDX6. DOCUMENT and CLEAR the DTCs. CARRY OUT the Audio Unit On-Demand Self-Test. If DTC B2401 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT in this article. TEST the system for normal operation after the repair. |
| B2404 | Audio Steering Wheel Switch Circuit Fault | GO to PINPOINT TEST D . |
| B2405 | Audio Single-Disc CD Player Thermal Shutdown Fault | Not applicable for CDX6. DOCUMENT and CLEAR the DTCs. CARRY OUT the Audio Unit On-Demand Self-Test. If DTC B2405 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT in this article. TEST the system for normal operation after the repair. |
| B2406 | Audio Single-Disc CD Player Internal Fault | Not applicable for CDX6. DOCUMENT and CLEAR the DTCs. CARRY OUT the Audio Unit On-Demand Self-Test. If DTC B2406 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT in this article. TEST the system for normal operation after the repair. |
| B2477 | Module Configuration Fault | REFER to MODULE CONFIGURATION . |
| B2913 | Subwoofer Not Connected | Not applicable. |
| U2008 | Audio Phone is Not Responding | Not applicable. |
| U2014 | Audio Subwoofer Unit is Not Responding | Not applicable. |
| U2020 | Center Image Amplifier is Not Responding | Not applicable. |
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.