Escalade Hybrid P0AC4 Dallas Texas
I've got a 2009 Escalade Hybrid with 130000 miles that came to an abrupt stop yesterday at about 3 to 5 mph while in auto stop mode and the check engine light came on. I took it to autozone to have it pulled and there was only one code which was P0AC4.
I just want to know if there are any recommendations in the Dallas area for a knowledgeable hybrid mechanic. Hoping to avoid the Cadillac dealer if possible. Thanks in advance. |
Re: Escalade Hybrid P0AC4 Dallas Texas
says P0AC4
Monitor hybrid control module HCP MIL request to determine when the HCP has detected a MIL illuminating fault So what is the second code??? normally the P0AC4 comes on with another one |
Re: Escalade Hybrid P0AC4 Dallas Texas
Originally Posted by Tahoe_08
(Post 268376)
says P0AC4
Monitor hybrid control module HCP MIL request to determine when the HCP has detected a MIL illuminating fault So what is the second code??? normally the P0AC4 comes on with another one |
Re: Escalade Hybrid P0AC4 Dallas Texas
As an update, the check engine light has turned off on its own, but I would still like to find someone locally to check it out.
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Re: Escalade Hybrid P0AC4 Dallas Texas
Get your 12V load tested. Don't care how new it is.
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Re: Escalade Hybrid P0AC4 Dallas Texas
Originally Posted by S Keith
(Post 268384)
Get your 12V load tested. Don't care how new it is.
Initially with the multimeter it read 12.60V, then I left the lights on for a bit and retested it and it was at 12.34V. I also tested the voltage while starting the car and it never dropped below 12.18V. Let me know if you have any other suggestions. Thanks! |
Re: Escalade Hybrid P0AC4 Dallas Texas
Get yourself a decent code reader and read the codes again. That code must come with another one that tells more about what actually failed to cause the Check Engine light to be turned on. P0AC4 is basically just saying that the Hybrid Powertrain Control Module has requested that the check engine light be turned on.
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Re: Escalade Hybrid P0AC4 Dallas Texas
Originally Posted by Jaime
(Post 268395)
Get yourself a decent code reader and read the codes again. That code must come with another one that tells more about what actually failed to cause the Check Engine light to be turned on. P0AC4 is basically just saying that the Hybrid Powertrain Control Module has requested that the check engine light be turned on.
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Re: Escalade Hybrid P0AC4 Dallas Texas
https://www.greenhybrid.com/forums/f...d-codes-31782/
and https://www.greenhybrid.com/forums/f...results-31736/ BTW... I have the BAFX. It's pretty low end. Works okay with Torque Pro though. |
Re: Escalade Hybrid P0AC4 Dallas Texas
Originally Posted by S Keith
(Post 268411)
https://www.greenhybrid.com/forums/f...d-codes-31782/
and https://www.greenhybrid.com/forums/f...results-31736/ BTW... I have the BAFX. It's pretty low end. Works okay with Torque Pro though.
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