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U1000 Diagnostic Trouble Code Discussion for July 2010

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2005 Chevrolet Venture LS 3.4L No Start, Cuts out, Stall VIN: 1GNDV03E55
U1000: Class 2 Communication Malfunction. ... i had to charge the batterr and install a new starter after the customer kept cranking.still no start till check for codes and p0386 show up,installed new crank sensor B and no luck,then with a help of a brake cleaner sta...
July 05, 2010
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDX03E42
U1000: Class 2 Communication Malfunction. Another stumper. This one will loose the fuel gauge, coolant temp drops below cold, abs light on, check engine light on. No communication with scanner. Engine will run untill turned off. Then it goes into a loop only intermittently.This may not happen for days...
July 14, 2010
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDX03E42
U1000: Class 2 Communication Malfunction. Another stumper. This one will loose the fuel gauge, coolant temp drops below cold, abs light on, check engine light on. No communication with scanner. Engine will run untill turned off. Then it goes into a loop only intermittently.This may not happen for days...
July 20, 2010
2005 Chevrolet Equinox LT 3.4L No Start, Cuts out, Stall VIN: 2CNDL73F75
U1000: Lost class 2 data link. Car was driven to our shop with a complaint of dying out. We scanned it and came up with these codes. We cleared codes and codes came back again. We do have an ignition switch that does not feel right. Seems to have alot of play but does not appear to have ...
July 29, 2010
2005 Chevrolet Venture LS 3.4L No Start, Cuts out, Stall VIN: 1GNDV03E55
U1000: Class 2 Communication Malfunction. ... i had to charge the batterr and install a new starter after the customer kept cranking.still no start till check for codes and p0386 show up,installed new crank sensor B and no luck,then with a help of a brake cleaner sta...
July 05, 2010
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDX03E42
U1000: Class 2 Communication Malfunction. Another stumper. This one will loose the fuel gauge, coolant temp drops below cold, abs light on, check engine light on. No communication with scanner. Engine will run untill turned off. Then it goes into a loop only intermittently.This may not happen for days...
July 14, 2010
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDX03E42
U1000: Class 2 Communication Malfunction. Another stumper. This one will loose the fuel gauge, coolant temp drops below cold, abs light on, check engine light on. No communication with scanner. Engine will run untill turned off. Then it goes into a loop only intermittently.This may not happen for days...
July 20, 2010
2005 Chevrolet Equinox LT 3.4L No Start, Cuts out, Stall VIN: 2CNDL73F75
U1000: Lost class 2 data link. Car was driven to our shop with a complaint of dying out. We scanned it and came up with these codes. We cleared codes and codes came back again. We do have an ignition switch that does not feel right. Seems to have alot of play but does not appear to have ...
July 29, 2010