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Re: surging, stalling,loss of power, abs light flashing
Posted to Technical Discussion Forum on 3/9/2018 6 Replies

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Look at your scope pattern.

[2011 GMC Savana 2500, ECM/Inputs/Outputs Photo] [Fig. 1]

Your CAN+ signal should read from 2.5 to 3.5 volts. Your CAN- should read opposite at 2.5 to 1.5 volts. Your c... Login to read more.

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