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.
2004 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE
Entertainment System DTCS
AUDIO UNIT DIAGNOSTIC TROUBLE CODE LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU is Defective | Audio Unit | DOCUMENT and CLEAR the DTCs. CARRY OUT the Audio Unit On-Demand Self-Test. REMOVE the audio unit and SEND it to an authorized repair facility if DTC B1342 is retrieved again. Refer to AUDIO UNIT . TEST the system for normal operation. |
| B2103 | Antenna Not Connected | Audio Unit | Go To PINPOINT TEST B . |
| B2401 | Audio Tape Deck Mechanism Fault | Audio Unit | Not applicable for CDX6. |
| B2404 | Audio Steering Wheel Switch Circuit Fault | Audio Unit | Go To PINPOINT TEST D . |
| B2405 | Audio Single-Disc CD Player Thermal Shutdown Fault | Audio Unit | Not applicable for CDX6. |
| B2406 | Audio Single-Disc CD Player Internal Fault | Audio Unit | Not applicable for CDX6. |
| B2477 | Module Configuration Fault | Audio Unit | RFFFR to MODULE COMMUNICATIONS NETWORK . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.