hybrid system failure - service required

Stevey · Jul 6, 2017

Anyone seen this error ?

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curtdept · Jul 6, 2017

Ya a few times, in my case a vehicle restart and a charge made it go away.

In others, it took new hybrid modules, updates, etc..

Message seems to be generic.

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Stevey · Jul 6, 2017

Crazy thing is I just had a module changed out.

curtdept said:
Ya a few times, in my case a vehicle restart and a charge made it go away.

In others, it took new hybrid modules, updates, etc..

Message seems to be generic.

Sent from my SM-G955U using Tapatalk

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Mellow Guy · Jul 6, 2017

I had something like that when the motor generator failed.

goVolvo · Jul 6, 2017

I am wondering if possible to design the T8 that in case of hybrid system failure, still possible to drive it like a T6? At least don't need a tow truck to rescue.

derickma · Jul 7, 2017

had the same issue when they replaced my IGM take it back in and have them recalibrate the IGM, it fixed my problem .

mind you I just had the error, everything in the car worked fine, including the hybrid system.

mikeypdx · Jul 10, 2017

I just had the problem this weekend also. I was 70 miles away from the closest dealer and on vacation. Error cleared after charging it a bit and waiting overnight. Car was working correctly the whole time. Will see what the dealer comes up with during the service appt.

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taofen_wang · Jul 30, 2017

I got this error today, just after a total upgrade done on July 27. Everything works fine,. Will let dealer to take a look.

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Endee77 · Jul 30, 2017

Stevey said:
Anyone seen this error ?

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I too have had this problem here in the UK.

After a dozen trips or so to the dealer, the problem has finally got resolved.

My advice to you is not to get fobbed off by any talk of a "software upgrade". This is not a SOFTWARE problem in spite of what the dealer will likely tell you.

After multiple "software upgrades on my car and at my insistence, the IGM module got changed under warranty and , hey presto, no more error messages!

Bear in mind that the T8 does not have an alternator to charge your 12 V battery, therefore whenever the Hybrid system fails , your 12 V battery is not being recharged and will deplete faster than you can imagine.

Your are very likely to be left on the roadside as the car will go into limp mode.

Admittedly, the module costs several thousand quid and your dealer will try very hard not to change in it.

Good luck.

Stevey · Jul 30, 2017

Endee,

Thanks for sharing. Yes they did in fact claim it needed a software patch to resolve the hybrid system failure. Its been over 3 weeks at the shop so far with no communication from the dealer whatsoever except for when I called to ask at week 2. Interestingly, this is not the first time I've had to take the car in for dashboard alerts. Within days of purchase, the dashboard screen began to show a lit engine block icon. The dealer fixed that, but later it came back. They fixed it again. Now the hybrid system failure message. The car had a couple thousand miles on it when I bought it "new" from the dealer.

Endee77 said:
I too have had this problem here in the UK.

After a dozen trips or so to the dealer, the problem has finally got resolved.

My advice to you is not to get fobbed off by any talk of a "software upgrade". This is not a SOFTWARE problem in spite of what the dealer will likely tell you.

After multiple "software upgrades on my car and at my insistence, the IGM module got changed under warranty and , hey presto, no more error messages!

Bear in mind that the T8 does not have an alternator to charge your 12 V battery, therefore whenever the Hybrid system fails , your 12 V battery is not being recharged and will deplete faster than you can imagine.

Your are very likely to be left on the roadside as the car will go into limp mode.

Admittedly, the module costs several thousand quid and your dealer will try very hard not to change in it.

Good luck.

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Endee77 · Jul 30, 2017

Stevey said:
Endee,

Thanks for sharing. Yes they did in fact claim it needed a software patch to resolve the hybrid system failure. Its been over 3 weeks at the shop so far with no communication from the dealer whatsoever except for when I called to ask at week 2. Interestingly, this is not the first time I've had to take the car in for dashboard alerts. Within days of purchase, the dashboard screen began to show a lit engine block icon. The dealer fixed that, but later it came back. They fixed it again. Now the hybrid system failure message. The car had a couple thousand miles on it when I bought it "new" from the dealer.

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There was a recall on the T8's ( faulty IGM module)with certain VIN numbers. Mine was not on that recall , however the module in mine had to be changed as I said earlier. I suppose your car was not recalled.

Stevey · Jul 30, 2017

I'm going to check again, but I think my IGM actually was part of the recall and was switched out a few months ago.

Endee77 said:
There was a recall on the T8's ( faulty IGM module)with certain VIN numbers. Mine was not on that recall , however the module in mine had to be changed as I said earlier. I suppose your car was not recalled.

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taofen_wang · Jul 30, 2017

Stevey said:
I'm going to check again, but I think my IGM actually was part of the recall and was switched out a few months ago.

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My IGM was replaced months ago. Maybe re-calibration is required after total upgrade. Will see.

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Mellow Guy · Jul 31, 2017

Yes, I got the message Friday, drove to the dealer service department and was told because of staff shortages I would have to bring it in Thursday, Aug 10.
What is the IGM?

christopher.moor · Jul 31, 2017

Mellow Guy said:
Yes, I got the message Friday, drove to the dealer service department and was told because of staff shortages I would have to bring it in Thursday, Aug 10.
What is the IGM?

Inverter generator module, the silver item under the hood with the high voltage orange cables connected to it.

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taofen_wang · Aug 1, 2017

Car in garage. I was told that IGM cooler valve needs to be replaced. Parts on the way.

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Mellow Guy · Aug 1, 2017

Does the IGM cooler valve have a part number and is there a website for that part?
I might need to inform my service technician.

moliver2k9 · Aug 2, 2017

Ugh...T8 bricked...16 mos in no problems

Stevey said:
Anyone seen this error ?

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This happened to me yesterday, then I got 12V battery failure -do not turn off vehicle...at the dealer now...seems to be this IGN module but they are running all tests and software now.....

so dissapointing,..trouble free till now...10000 miles.,,,,cie la vie

Stevey · Aug 2, 2017

My concern is that these problems with the IGM etc may have taken a permanent toll on the life of the battery, or perhaps on other components. Is there any way to test whether the battery has suffered ?

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taofen_wang · Aug 2, 2017

Mellow Guy said:
Does the IGM cooler valve have a part number and is there a website for that part?
I might need to inform my service technician.

will report once I get invoice.

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hybrid system failure - service required

Stevey

curtdept

Stevey

Mellow Guy

goVolvo

derickma

mikeypdx

taofen_wang

Endee77

Stevey

Endee77

Stevey

taofen_wang

Mellow Guy

christopher.moor

taofen_wang

Mellow Guy

moliver2k9

Stevey

taofen_wang

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