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.
2008 Ford Crown Victoria Police InterceptorFACTORY OEM SERVICE PROCEDURE
Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0073 | Control Module Communication Bus Off | Vehicle dynamics module (VDM) | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus Off | ABS module | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus Off | VDM | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0100 | Lost Communication With PCM | VDM | The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0100 | Lost Communication With PCM | VDM | The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | VDM | For the module that failed the network test, go to Symptom Chart. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | VDM | For the module that failed the network test, go to Symptom Chart. |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Driver door module (DDM) | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Lighting control module (LCM) | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | DDM | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | LCM | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | Heating ventilation air conditioning (HVAC) module | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1135 | SCP (J1850) Invalid or Missing Data for Ignition Switch / Starter | DDM | RETRIEVE and FOLLOW non-network DTCs in the LCM. |
| U1197 | SCP (J1850) Invalid or Missing Data for Door Locks | LCM | RETRIEVE and FOLLOW non-network DTCs in the DDM. |
| U1199 | SCP (J1850) Invalid or Missing Data for External Access (Doors) | LCM | RETRIEVE and FOLLOW non-network DTCs in the DDM. |
| U1262 | SCP Communication Bus Fault | Instrument cluster (IC) | For the module that failed the network test, go to Symptom Chart. |
| U1262 | SCP Communication Bus Fault | Overhead console message center (MC) | For module that failed network test, go to Symptom Chart. |
| U1900 | HS-CAN Communication Bus Fault - Receive Error | ABS module | For the module that failed the network test, go to Symptom Chart. |
| U1900 | HS-CAN Communication Bus Fault - Receive Error | Fire suppression system module (FSSM) | For the module that failed the network test, go to Symptom Chart. |
| U1900 | HS-CAN Communication Bus Fault - Receive Error | IC | For the module that failed the network test, go to Symptom Chart. |
| U2011 | Module Transmitted Invalid Data (Non SCP) | VDM | Invalid air suspension operating state data was transmitted. RETRIEVE and FOLLOW non-network DTCs in the DDM. |
| U2023 | Fault Received From External Node | ABS module | RETRIEVE and FOLLOW non-network DTCs from other modules. |
| U2023 | Fault Received From External Node | IC | RETRIEVE and FOLLOW non-network DTCs from other modules. |
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.