P0AC4 – Hybrid Powertrain Control Module Requested MIL Illumination

By BAT Team (Contact Me)
Last Updated 2016-07-29
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Trouble Code	Fault Location	Probable Cause
P0AC4	Hybrid Powertrain Control Module Requested MIL Illumination	-

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BAT Team Discussions for P0ac4

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JayDee Wilkins

***P0AC4 – Hybrid Powertrain Control Module Requested MIL Illumination

Error on my new used 2008 2WD GMC Yukon Hybrid. Is it Serious?

***P061B – Internal Control Module Torque Calculation Performance.

Do I need to request a Lemon law return for these error codes ?