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U0100 Diagnostic Trouble Code Discussion for April 2012

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2008 Mazda 6 i 2.3L No Start VIN: 1YVHP80C58
U0100: No comunication with pcm/ecm. Hi guys( need some help with this 2008 Mazda 6 automatic with a 2.3 engine. Car came abouyt a month ago with an intermetent no start(no spin) condition, after checking the car out, we installed a PCM a two key fobs with keys, car work good for 3 weeks, now is ...
April 05, 2012
2006 Cadillac CTS 2.8L No Start VIN: 1G6DM57T96
U0100: Lost Communication With Engine Control Module. ... CONDITION AND KEY NOT BEING ABLE TO BE REMOVED. had a u0100 loss of communication code. HAD NO COMMUNICATION WITH ECM. using tech2 pinged the modules. it looks as if all modules are present except the ecm. REPLACED ECM AND VEHICLE STARTED FINE. 2 DAYS LATE...
April 16, 2012
2006 Cadillac CTS 2.8L No Start VIN: 1G6DM57T96
U0100: Lost Communication With Engine Control Module. ... CONDITION AND KEY NOT BEING ABLE TO BE REMOVED. had a u0100 loss of communication code. HAD NO COMMUNICATION WITH ECM. using tech2 pinged the modules. it looks as if all modules are present except the ecm. REPLACED ECM AND VEHICLE STARTED FINE. 2 DAYS LATE...
April 19, 2012
2007 GMC Sierra 2500 HD SLT 6.0L MIL Lamp on VIN: 1GTHK29K57
This is a nightmare truck. Truck will divert to transmission limp mode and gauges will flutter when problem occours. PCM, TCM, BCM, ABS all loose communication. I have not been able to duplicate the situation in the shop. Problem will happen sometimes once a w...
April 20, 2012
2008 Mazda 6 i 2.3L No Start VIN: 1YVHP80C58
U0100: No comunication with pcm/ecm. Hi guys( need some help with this 2008 Mazda 6 automatic with a 2.3 engine. Car came abouyt a month ago with an intermetent no start(no spin) condition, after checking the car out, we installed a PCM a two key fobs with keys, car work good for 3 weeks, now is ...
April 05, 2012
2006 Cadillac CTS 2.8L No Start VIN: 1G6DM57T96
U0100: Lost Communication With Engine Control Module. ... CONDITION AND KEY NOT BEING ABLE TO BE REMOVED. had a u0100 loss of communication code. HAD NO COMMUNICATION WITH ECM. using tech2 pinged the modules. it looks as if all modules are present except the ecm. REPLACED ECM AND VEHICLE STARTED FINE. 2 DAYS LATE...
April 16, 2012
2006 Cadillac CTS 2.8L No Start VIN: 1G6DM57T96
U0100: Lost Communication With Engine Control Module. ... CONDITION AND KEY NOT BEING ABLE TO BE REMOVED. had a u0100 loss of communication code. HAD NO COMMUNICATION WITH ECM. using tech2 pinged the modules. it looks as if all modules are present except the ecm. REPLACED ECM AND VEHICLE STARTED FINE. 2 DAYS LATE...
April 19, 2012
2007 GMC Sierra 2500 HD SLT 6.0L MIL Lamp on VIN: 1GTHK29K57
This is a nightmare truck. Truck will divert to transmission limp mode and gauges will flutter when problem occours. PCM, TCM, BCM, ABS all loose communication. I have not been able to duplicate the situation in the shop. Problem will happen sometimes once a w...
April 20, 2012