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U1000 Diagnostic Trouble Code Discussion for November 2010

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2003 Cadillac DeVille DTS 4.6L No Start VIN: 1G6KF57973
U1000: Class 2 Communication Malfunction. ... start. Battery dead of course so I charged it. Went to start it and turned the key. The cluster comes on but when you put it in the start position the cluster shuts down,but the starter does not engage. I checked the starter signal wire with the key on and...
November 01, 2010
2003 Cadillac DeVille DTS 4.6L No Start VIN: 1G6KF57973
U1000: Class 2 Communication Malfunction. ... start. Battery dead of course so I charged it. Went to start it and turned the key. The cluster comes on but when you put it in the start position the cluster shuts down,but the starter does not engage. I checked the starter signal wire with the key on and...
November 02, 2010
2001 Pontiac Grand Am SE 3.4L No Start, Security light on VIN: 1G2NF52E11
U1000: Class 2 Communication Malfunction. GOOD AFTERNOON TO ALL. SO HERE I AM AGAIN IN NEED OF HELP ON WHAT WILL PROBABLY TURN INTO A COMMON FIX.I HAVE THIS 01 grand am towed in 2 weeks ago no start security light flashing.I relarned the pats system all set.I did notice the key appeared originaland wa...
November 09, 2010
2001 Pontiac Grand Am SE 3.4L No Start, Security light on VIN: 1G2NF52E11
U1000: Class 2 Communication Malfunction. GOOD AFTERNOON TO ALL. SO HERE I AM AGAIN IN NEED OF HELP ON WHAT WILL PROBABLY TURN INTO A COMMON FIX.I HAVE THIS 01 grand am towed in 2 weeks ago no start security light flashing.I relarned the pats system all set.I did notice the key appeared originaland wa...
November 10, 2010