Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| 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 L . |
| 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 L . |
| 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 N . |
| 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 L . |
| 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 L . |
| 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 L . |
| U2023 | Fault Received From External Node | Instrument Cluster | DISREGARD DTC U2023. REPAIR all other DTCs. CLEAR the DTCs. |