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U1000 Diagnostic Trouble Code Discussion for June 2007

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
U1000: Class 2 Communication Malfunction. intermitten no start. scanner reads cam & crank signals rpm signal present also shows fuel pump relay energised .no power to pump even with relay energised. vehicle has passkey=2 . security lihgt is not flashing as if system active . note symptom occured a...
June 28, 2007
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
U1000: Class 2 Communication Malfunction. intermitten no start. scanner reads cam & crank signals rpm signal present also shows fuel pump relay energised .no power to pump even with relay energised. vehicle has passkey=2 . security lihgt is not flashing as if system active . note symptom occured a...
June 29, 2007
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
U1000: Class 2 Communication Malfunction. intermitten no start. scanner reads cam & crank signals rpm signal present also shows fuel pump relay energised .no power to pump even with relay energised. vehicle has passkey=2 . security lihgt is not flashing as if system active . note symptom occured a...
June 28, 2007
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
U1000: Class 2 Communication Malfunction. intermitten no start. scanner reads cam & crank signals rpm signal present also shows fuel pump relay energised .no power to pump even with relay energised. vehicle has passkey=2 . security lihgt is not flashing as if system active . note symptom occured a...
June 29, 2007