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.
2005 Ford Mustang Base, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Module Communications Network DTCS
MODULE COMMUNICATIONS NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0073 | Control Module Communication Bus Off | Audio Unit | GO to PINPOINT TEST H . |
| U0073 | Control Module Communication Bus Off | Instrument Cluster | GO to PINPOINT TEST G . |
| U0073 | Control Module Communication Bus Off | SJB | GO to PINPOINT TEST H . |
| U0073 | CAN Bus Off-Transmit Error | ABS Module | GO to PINPOINT TEST G . |
| U1900 | CAN Communication Bus Fault-Receive Error | Audio Unit | GO to PINPOINT TEST H . |
| U1900 | CAN Communication Bus Fault-Receive Error | ABS Module | GO to PINPOINT TEST G . |
| U1900 | CAN Communication Bus Fault-Receive Error | Instrument Cluster | GO to PINPOINT TEST G . |
| U1900 | CAN Communication Bus Fault-Receive Error | SJB | GO to PINPOINT TEST H . |
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.