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U1255 Diagnostic Trouble Code Discussion for May 2011

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1255
Help Request Posted
2004 Chevrolet Impala 3.4L No Start, Poor Idle Quality, Cuts out, Stall VIN: 2G1WF52E74
U1255: Class 2 Communication Malfunction. This was brought in with an intermittent No start.Will crank,has great fuel pressure,and has spark.When in a no start condition while cranking the check engine light flickers also flickers when not cranking when in the no start mode.Also there is no data strea...
May 26, 2011
2004 Chevrolet Impala 3.4L No Start, Poor Idle Quality, Cuts out, Stall VIN: 2G1WF52E74
U1255: Class 2 Communication Malfunction. This was brought in with an intermittent No start.Will crank,has great fuel pressure,and has spark.When in a no start condition while cranking the check engine light flickers also flickers when not cranking when in the no start mode.Also there is no data strea...
May 26, 2011