When a Ford Focus is having trouble starting or does not start at all, this could be due to the failure of the dashboard instrument cluster. Tagged Ford U0001 , U0001 , U0001 Ford Bus – …circuit # 915….and is found on Pin 10 of the DLC It is a very common failure on the Ford Focus, it tends to cause an intermittent failure of lights and gauges. I didn’t see anything but see the description on the machine as high speed CAN communication bus. Code Description U0001 High Speed CAN Communication Bus U0002 High Speed CAN Communication Bus Performance U0003 High Speed CAN Communication Bus (+) Open U0004 High Speed CAN Communication Bus (+) Low U0005 High Speed CAN Communication Bus (+) High U0006 High Speed CAN Communication Bus (-) Open U0007 High Speed CAN Communication Bus (-) Low U0008 High Speed CAN Communication U0001 Ford High Speed Controller Area Network (CAN) Communication Bus ... Trouble Code Description: High Speed Controller Area Network (CAN) Communication Bus. Es wurde bestätigt, dass der Fehler ein permanenter Fehler war, nachdem das Multimeter ohne Spannung in der Verbin Ford. The data bus wires are designated: Bus + …circuit # 914….and is found on Pin 2 of the DLC. I have been chasing down transmission issues with my 06 Mountaineer Premier 4.6L for some time. Without this CAN bus, control modules cannot exchange information, and your scan tool may not be able to get information from the vehicle, depending on which circuit is affected. Also test gauges (needle sweep) and indicator bulbs/LEDs. U1900 FORD Description The Anti-ock Brakes System (ABS) module, the Powertrain Control Module (), and the instrument cluster communicate over the Controller Area Network (CAN) Bus.This is a high-speed bus communication system and is not fault tolerant, which means any type of intermittent/loose connection between these 3 controllers will cause communication to stop. The information screen on my ford focus 2009 has gone blank but still has the orange backlight. I would like to thank Mr. Carnahan for his well written article posted 3/15/15, “Ford Communication U-Codes Caused by Faulty Ignition System” I can honestly say that I wish his services were available near where I reside. Troubleshooting steps may vary depending upon manufacturer, type of communications system, number of wires and wire colors in the communication system. Input data can be shared between the various modules through the data bus, and a module may request information from another module on the network as well. U0001 - High Speed CAN Communication Bus [Confirmed - malfunction is confirmed] BCMii B10A2 - Crash Input [General Signal Failure] B10E7 - Ignition On Relay [Circuit Short To Battery] B10E7 - Ignition On Relay [Circuit Short To Ground Or Open] U0131 - Lost Communication With Power Steering Control Module A The only other dashboard indications are below in the photo … U0001 - High Speed CAN Communication BUS Intermittent; U0101 - Lost Communication With TCM Permanent; P0106 - Manifold Absolute Pressure /Baro Sensor Range Performance Intermittent ... Hi, Hoping you can help. High Speed CAN Communication Bus Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. Gone blank but still has the orange backlight colors in the communication system, Any information is appreciated.Thanks on machine! Sweep ) and indicator bulbs/LEDs cause an intermittent failure of lights and gauges ford! 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