2003 Tahoe TAC Reference Voltage Pulsing

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Posted to Technical Discussion Forum on 5/31/2017 9 Replies

Hi All:

I am working on the Throttle Actuator Control (TAC) system on a 2003 Tahoe 5.3'Z'. This is the early system with the TAC module on the firewall.

Here's what happened. Customer was driving along and it went into Reduced Power mode. She shut it off, ... Login to read more.

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