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U1016 Diagnostic Trouble Code Discussion for May 2006

Serial Communications Malfunction

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Trouble Ticket Help Requests for DTC U1016
Help Request Posted
2000 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC5241Y
U1016: Communication. Customer states that while driving multiple indicators will light, including CEL and theft, at random. 13 different failure codes are stored in 5 modules, with another 8 stored as duplicates. Many are U10xx. Remainder are PCM U1301, P1626, ABS C1254, C1295, BC...
May 16, 2006