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U1900 Diagnostic Trouble Code Discussion for September 2007

CAN System Communication Error


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Trouble Ticket Help Requests for DTC U1900
Help Request Posted
2004 Ford Taurus SES 3.0L No Start VIN: 1FAFP55U64
U1900: can communication Bus fault receive error. ... car is a no start. It has spark,no fuel pressure.The FPDM has power output to fuel pump and back up to the FPDM so when I ground the pump at the FPDM the car starts and runs until I remove the ground.I am getting a 75% command on the scan tool which means ...
September 23, 2007
2004 Ford Taurus SES 3.0L No Start VIN: 1FAFP55U64
U1900: can communication Bus fault receive error. ... car is a no start. It has spark,no fuel pressure.The FPDM has power output to fuel pump and back up to the FPDM so when I ground the pump at the FPDM the car starts and runs until I remove the ground.I am getting a 75% command on the scan tool which means ...
September 23, 2007