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.
2007 Mercury MontereyFACTORY OEM SERVICE PROCEDURE
Module Communications Network
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0073 | Control Module Communication Buss Off | Anti-lock brake system (ABS) Module | REPAIR all other DTCs first. If DTC is still present Go to Pinpoint Test B . |
| U1262 | SCP Communication Bus Fault | Instrument Cluster | For module that failed network test, go to Symptom Chart. |
| U1900 | CAN Communication Bus Fault-Recieve Error | ABS Module | For module that failed network test, go to Symptom Chart. |
| U1900 | CAN Communication Bus Fault-Recieve Error | Instrument Cluster | For module that failed network test, go to Symptom Chart. |
| U1950 | UBP Communication Bus Fault | Driver seat module (DSM) | For module that failed network test, go to Symptom Chart. |
| U2023 | Fault Received From External Node | Instrument cluster | RETRIEVE and FOLLOW non-network DTCs from other modules. |
| All other DTCs | - | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
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.
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