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International Automotive Technicians Network
Re: 2003 Pontiac Aztec U1016
Posted to Technical Discussion Forum on 2/5/2009 3 Replies

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Although the IPC is setting a U1016 indicating a state of health message hasn't been received from the PCM for over 5 seconds, I would be leery of condemning the PCM. If the PCM was the problem, othe... Login to read more.

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