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Discussion Starter #1 (Edited)
We took our 2012 Volt to the dealer, has 24000 miles on it. Dealer stated codes P1E00, P0AA6, P1FFF, and U183E.
They told us it needs modules updated and its not under 8/80K Hybrid warr. As I was under the assumption those were codes for the battery and charging system, so why would I be charged ? Any insight on this will be helpful.
Thanks in Advance
BTW, the dealer wants 285.00 to do the repair, and then stated, that's where they need to start .
Also, how do I contact a volt advisor as we do not want to be taken advantage of by the dealer.
 

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I don't understand why the dealership isn't doing this under the drivetrain warranty. The high voltage charging system is a necessary part of the drivetrain.

You can look these up at https://actron.com/code-lookup

P1E00 - Hybrid Powertrain Control Module 2 Requested MIL Illumination
P0AA6 - Hybrid/EV Battery Voltage System Isolation Lost
U183E - Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus
P1FFF doesn't appear to be valid

This sounds like it could be serious or a false positive according to http://www.orionbms.com/manuals/utility/code_high_voltage_isolation_fault.html
This code (P0AA6) is set when the BMS measures an isolation breakdown between the high voltage battery and the 12 volt system. A breakdown in isolation can be caused by ruptured or leaking cells, high voltage cabling insulation that has rubbed off and come into contact with low voltage systems, condensation, use of non-isolated equipment, other causes or by an intentionally non-isolated design. This error code may indicate an unsafe condition that exists in the battery pack and care must be taken to avoid risk of short circuit and risk of personal injury from shock while investigating the error as simply touching a cell could could cause a shock. While this error tends to indicate a real problem, there are certain situations that can cause a false positive.
 

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There has been some discussion on that and it would seem the components themselves are covered, but programming is NOT part of the warranty. I find that to be very deceptive because the modules are useless without the programming. I'm sure others will chime in, but that's been my understanding from the experience other members have shared.
 

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Tell the dealer you want the name of the person at GM who says it's not covered, who from the dealer talked to them, the reasons why they believe it's not covered, and the time and date of the conversation. In writing. They should have no problem providing you with this information. My dealer checked with GM -- and gave me the name -- and said it was covered. However, and this is a big caveat, it may depend on the cause of the problem. I may be wrong, but my gut tells me they never checked, for whatever reason.

There has been some discussion on that and it would seem the components themselves are covered, but programming is NOT part of the warranty. I find that to be very deceptive because the modules are useless without the programming. I'm sure others will chime in, but that's been my understanding from the experience other members have shared.
Pardon the French but this sounds like BS. (The claim not what you're saying).
 

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Discussion Starter #5 (Edited)
Thanks DonC, I can get that info from them I'm sure, and what would I do with it ? Run it up the ladder at GM ?
I am a retired master tech and have worked for GM for 10+ years. If there is a way out of doing a repair under war, they will look hard for it !
 

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I am the only Volt/Bolt tech here at our dealership and have programmed many of the Gen 1 Volts for this concern. The program is covered under the Voltec warranty. That dealership needs to look up the labor operation codes, there is a coverage code V after the labor op. Code V is for the Voltec warranty.

Coverage Code V


Chevrolet Volt Battery Components


8 years/100,00 miles


8 years/160,000 km

Battery Energy Control Module LABOR CODE: 2810945 WARRANTY CODE: Coverage Code: V

Hybrid Powertrain Control Module 2 LABOR CODE: 2810265 WARRANTY CODE: Coverage Code: V
 

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I'm dealing with it right now. I have appointment with a dealer on thursday. It seems to me also, that it should be covered under the voltec warranty. The dealer tells me no. They say it's GM-not them.

My car is a 2012 that I have had since new. I have the same codes, with the exception of U183e.
 

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Thanks DonC, I can get that info from them I'm sure, and what would I do with it ? Run it up the ladder at GM ?
I am a retired master tech and have worked for GM for 10+ years. If there is a way out of doing a repair under war, they will look hard for it !
I don't believe they've checked with GM, or, if they have, they haven't correctly explained the issue. I firmly believe that every GM customer deserves a detailed explanation when GM declines to honor the warranty for something which appears should be covered by the warranty. A simple claim that it's not covered simply isn't sufficient. Having them put things in writing just focuses their minds. I think npmoore1979's comment gives you plenty to go on.

If you're not satisfied when you get your answer, it's a simple matter to pay your $50 and have GM explain its position in small claims court. This likewise tends to focus the mind on the issue.
 

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I don't believe they've checked with GM, or, if they have, they haven't correctly explained the issue. I firmly believe that every GM customer deserves a detailed explanation when GM declines to honor the warranty for something which appears should be covered by the warranty. A simple claim that it's not covered simply isn't sufficient. Having them put things in writing just focuses their minds. I think npmoore1979's comment gives you plenty to go on.

If you're not satisfied when you get your answer, it's a simple matter to pay your $50 and have GM explain its position in small claims court. This likewise tends to focus the mind on the issue.
Instead of small claims court, try taking your business elsewhere to another Chevy dealer. I go to a Chevy/cadillac dealership 18 miles away instead of the Chevy dealership 3 miles away just because they are far and away better at diagnosing repairs. They've been known to get really troublesome issues from neighboring states because of their great reputation.
 

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Discussion Starter #10
Much thanks, called the dealership this morning with the labor op codes, he was shocked to say the least. Hopefully all goes well with it. Thanks again for the prompt response's !
 

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Much thanks, called the dealership this morning with the labor op codes, he was shocked to say the least. Hopefully all goes well with it. Thanks again for the prompt response's !
It certainly helps having a legit Volt tech chime in with the proper warranty info here in these fourms!;)
 

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Yes, thanks mpmoore1979 & jeffndawn. I'll give the service writer the same info, when I take my car in tomorrow.
 

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I'm dealing with it right now. I have appointment with a dealer on thursday. It seems to me also, that it should be covered under the voltec warranty. The dealer tells me no. They say it's GM-not them.

My car is a 2012 that I have had since new. I have the same codes, with the exception of U183e.
It must be going around. My 2012 got the same error message this morning. Arranging dealer visit now.
 

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I received the "Service High Voltage Charging System" (P1E00 code) last Friday on my 2012, two days before I was to head of town. I will get to "do the dance" with a new service department next week. Temporarily living in Houston right now.
 

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I received the "Service High Voltage Charging System" (P1E00 code) last Friday on my 2012, two days before I was to head of town. I will get to "do the dance" with a new service department next week. Temporarily living in Houston right now.
How are you retrieving the code?

TIA.
 

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A Bluetooth OBDII adapter (off of Amazon) and my Windows phone. You will have a lot more "App" options if you have an Android or Apple phone.
Windows phone? What's that? :)

Interestingly enough Nokia signed a deal to exclusively sell Windows Phones then that mobile division got injested into Microsoft as Microsoft Mobile. Meanwhile Nokia acquires Alcatel Lucent formerly known as Lucent Technologies formerly known as AT&T Bell Labs. Meanwhile Motorola gets acquire by Google only to be sold off to Lenovo, but only after they cross license all the patents so Google (a.k.a. Alphabet) has something to lob back at Apple if Apple were to wield their mighty sword Alphabet's direction. In all this, where is Blackberry/RIM? It's amazing how powerhouses like Motorola, Nokia, and Blackberry were pulverized by Apple and Samsung.

But on the automotive front, it seems like GM and Ford are able to keep making cars despite the tiny onslaught by Tesla, Fisker, Faraday Future, Via, Workhorse, etc.
 
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Hello everyone,

I hope you've all been well. I read through this thread and wanted to comment with confirmation that the POAA6 code and resulting concern is covered within the Voltec warranty period of 8yr/100k miles.

If anybody has specific questions/concerns in this regard, or would like for me to discuss this concern with their involved dealership, please email me at [email protected].

Best Wishes,

Amber G.
Chevrolet Customer Care
 

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Hello everyone,

I hope you've all been well. I read through this thread and wanted to comment with confirmation that the POAA6 code and resulting concern is covered within the Voltec warranty period of 8yr/100k miles.

If anybody has specific questions/concerns in this regard, or would like for me to discuss this concern with their involved dealership, please email me at [email protected].

Best Wishes,

Amber G.
Chevrolet Customer Care
If the bad battery coolant level sensor and resulting issues are covered under the Voltec warranty, then a bulletin needs to go out to all dealers, and we need to know the bulletin number so we can reference it. Some people seem to have gotten it covered but most have not.

This whole issue has caused WOT to build a bypass sensor, and yet still GM doesn't acknowledge the issue or do anything about it. It's going to hurt perception if the Volt's reliability as these sensors all begin to fail and people have to deal with incompetent dealer service people.

I also just had the issue happen. I spent a few hundred dollars buying an MDI interface and SPS subscription so I could replace the sensor, reprogram HPCM2, and clear the DTCs myself. Well worth it to avoid the dealer. And my dealer isn't one of the worst ones.
 
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