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U1016 Diagnostic Trouble Code Discussion for June 2007

Serial Communications Malfunction


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Trouble Ticket Help Requests for DTC U1016
Help Request Posted
2003 Pontiac Aztek 3.4L Stall, Misfire, MIL Lamp on VIN: 3G7DB03EX3
U1016: Loss of class 2 communicationsthis code was in the BCM. Thanks to everyone for looking at this request. The wrecker brought this vehicle in with a dead battery. The battery was recharged and the vehicle started and seemed to run ok at idle. We check charging voltage and sometimes it would be at 13.5 volts and then ...
June 04, 2007
2003 Pontiac Aztek 3.4L Stall, Misfire, MIL Lamp on VIN: 3G7DB03EX3
U1016: Loss of class 2 communicationsthis code was in the BCM. Thanks to everyone for looking at this request. The wrecker brought this vehicle in with a dead battery. The battery was recharged and the vehicle started and seemed to run ok at idle. We check charging voltage and sometimes it would be at 13.5 volts and then ...
June 05, 2007
1999 Chevrolet Malibu LS 3.1L No Start, Stall, MIL Lamp on VIN: 1G1NE52M8X
U1016: Serial Communications Malfunction. ... Checked codes, found P1626 and U1016. Checked battery connections, tested power and grounds at computer and checked connector-ok. Replaced computer per Alldata flow chart. Vehicle seemed fixed. Came back about 2 weeks later with same symptom. Rechecked wor...
June 22, 2007
2003 Pontiac Aztek 3.4L Stall, Misfire, MIL Lamp on VIN: 3G7DB03EX3
U1016: Loss of class 2 communicationsthis code was in the BCM. Thanks to everyone for looking at this request. The wrecker brought this vehicle in with a dead battery. The battery was recharged and the vehicle started and seemed to run ok at idle. We check charging voltage and sometimes it would be at 13.5 volts and then ...
June 04, 2007
2003 Pontiac Aztek 3.4L Stall, Misfire, MIL Lamp on VIN: 3G7DB03EX3
U1016: Loss of class 2 communicationsthis code was in the BCM. Thanks to everyone for looking at this request. The wrecker brought this vehicle in with a dead battery. The battery was recharged and the vehicle started and seemed to run ok at idle. We check charging voltage and sometimes it would be at 13.5 volts and then ...
June 05, 2007
1999 Chevrolet Malibu LS 3.1L No Start, Stall, MIL Lamp on VIN: 1G1NE52M8X
U1016: Serial Communications Malfunction. ... Checked codes, found P1626 and U1016. Checked battery connections, tested power and grounds at computer and checked connector-ok. Replaced computer per Alldata flow chart. Vehicle seemed fixed. Came back about 2 weeks later with same symptom. Rechecked wor...
June 22, 2007