Trouble Ticket Help Requests for DTC U1255
|2003 Chevrolet Impala 3.4L No Start VIN: 2G1WF52EX3
U1255: Class 2 Communication Malfunction. ... then no fuel after a second. Scanned for codes and the PCM won’t communicate with the scanner. All other modules communicate and most have codes for missing class 2 serial data. (U1000, U1255,...
|August 05, 2014|