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U1016 Diagnostic Trouble Code Discussion for April 2009

Serial Communications Malfunction


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Trouble Ticket Help Requests for DTC U1016
Help Request Posted
2002 GMC Envoy SLE 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GKDT13S62
U1016: loss of communications. ... came in with the complaint that the speedometer quit working. I conducted a gauge sweep test and all gauges worked fine. Then I started retreiving codes. The BCM, IPC, ABS and air bag controllers all gave me a code U1016...
April 27, 2009
2002 GMC Envoy SLE 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GKDT13S62
U1016: loss of communications. ... came in with the complaint that the speedometer quit working. I conducted a gauge sweep test and all gauges worked fine. Then I started retreiving codes. The BCM, IPC, ABS and air bag controllers all gave me a code U1016...
April 27, 2009