UXXXX - Network Communication Diagnostic Trouble Code (DTC)
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
UXXXX - NETWORK COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC)
| Description: | Powertrain related DTC from another module. | |||
| Possible Causes: | ||||
| Diagnostic Aids: | ||||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | For U DTC(s) received during self-test of a module other than the powertrain control module (PCM), refer to the SYMPTOM CHARTS article, Powertrain Control Module (PCM) Quick Test. | |||
| Note: 'x' equals any number 0 through 9 or letter A through F. Note 1: Reprogram or update the calibration. Check for other DTCs or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new PCM. If it is necessary to install a new PCM, refer toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a Replacement PCM. Note 2: DTC P1000 is ignored in the key on engine off (KOEO) and key on engine running (KOER) self-tests. Disregard DTC P1000 and continue as directed. |
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