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 MANUALSFORD2005CROWN VICTORIA SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXENTERTAINMENT SYSTEMS DTCSENTERTAINMENT SYSTEM - GENERAL INFORMATION
2005 Ford Crown Victoria Special Edition
Entertainment System - General Information
2005 Ford Crown Victoria Special EditionSECTION Entertainment System - General Information
AUDIO CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B2403 | Audio CD/DJ Internal Fault | Audio Unit | GO to PINPOINT TEST C . |
| B2405 | Audio Single-Disc CD Player Thermal Shutdown Fault | Audio Unit | Not applicable. The vehicle is not equipped with a single-disc CD. DOCUMENT and CLEAR the DTCs. CARRY OUT the audio control module self-test. |
| B2406 | Audio Single-Disc CD Player Internal Fault | Audio Unit | Not applicable. The vehicle is not equipped with a single-disc CD. DOCUMENT and CLEAR the DTCs. CARRY OUT the audio control module self-test. |
| U2003 | Audio CD/Disc Jockey is Not Responding | Audio Unit | If equipped with CD/DJ, GO to PINPOINT TEST C . |
| U2005 | Audio Rear Integrated Control Panel Unit is Not Responding | Audio Unit | Not applicable. The vehicle is not equipped with a rear integrated control panel (RICP). DOCUMENT and CLEAR the DTCs. CARRY OUT the audio control module self-test. |
| U2008 | Audio Phone is Not Responding | Audio Unit | Not applicable. The vehicle is not equipped with an audio phone. DOCUMENT and CLEAR the DTCs. CARRY OUT the audio control module self-test. |
| U2024 | Audio Redundant Steering Wheel Control is Not Responding | Audio Unit | GO to PINPOINT TEST H . |
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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.