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 MANUALSLINCOLN2006TOWN CAR EXECUTIVE L, 4.6 VREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXMODULE COMMUNICATIONS NETWORK DTCS
2006 Lincoln Town Car Executive L, 4.6 V
Module Communications Network DTCS
2006 Lincoln Town Car Executive L, 4.6 VSECTION Module Communications Network DTCS
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0002 | CAN Communication Bus Performance | Instrument Cluster | REPAIR all other DTCs first. If DTC U0002 is still present, diagnose the communications network. GO to PINPOINT TEST N . |
| U0073 | Control Module Communication BUS Off | ABS Module | REPAIR all other DTCs first. If DTC U0073 is still present, diagnose the communications network. GO to PINPOINT TEST N . |
| U1262 | SCP (J1850) Communication Bus Fault | Instrument Cluster | REPAIR all other DTCs first. If DTC U1262 is still present, diagnose the communications network. GO to PINPOINT TEST O . |
| U1900 | CAN Communication Bus Failure | ABS Module | REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, GO to PINPOINT TEST N . |
| U1900 | CAN Communication Bus Fault-Received Error | Instrument Cluster | REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, GO to PINPOINT TEST N . |
| U2023 | Fault Received From External Node | ABS Module | REPAIR all other DTCs first. If DTC U2023 is still present, diagnose the communications network. GO to PINPOINT TEST N . |
| U2023 | Fault Received From External Node | Instrument Cluster | DISREGARD DTC U2023. REPAIR all other DTCs. CLEAR the DTCs. |
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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.