POC11,13,14,16, POAC4 09 Tahoe Hybrid - GreenHybrid - Hybrid Cars


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Old 05-09-2017, 12:25 PM
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Default POC11,13,14,16, POAC4 09 Tahoe Hybrid

Has anybody had this happen? I'm trying to get some information on where to start fixing the issue.

I replaced the motor because of a stuck lifter due to not changing the oil. The transmission was not doing this before though.

When I replaced the motor my boss insisted on using the cheap green stuff instead of dexcool. Think that has anything to do with these codes?

I have a lot of information to trade, somebody please respond.... :- )
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Old 05-10-2017, 12:19 PM
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Default Re: POC11,13,14,16, POAC4 09 Tahoe Hybrid

There must be air bubbles in the system.


The cooling for the HV power box is NOT shared with the engine.

Last edited by Hillbilly_Hybrid; 05-10-2017 at 12:21 PM.
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Old 07-11-2018, 05:59 PM
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Default Re: POC11,13,14,16, POAC4 09 Tahoe Hybrid

Did you ever figure out what was wrong? Got the P0AC4 Code by itself
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