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check hybrid system error

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  #1  
Old 06-17-2018, 10:59 AM
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Default check hybrid system error

2009 hybrid, 145,000 km. Two days ago the "check hybrid system" light came on for about an hour. Continued to drive car. Next day, the error message was not on anymore and I continued to drive the car. I called the service dept. at a dealership and was told if the error message is not currently on, they can't diagnose the issue. Comments? Can I keep driving the car?
 
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Old 06-17-2018, 04:39 PM
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The car is OK to drive. It is best to stop driving or drive to a dealer or repair shop if the check light is on AND blinking.

The cars computer continually runs self tests on the cars systems. Typically if a system fails a test MORE then once, the check light will come on.

The problem could be intermediate and with this the system was able to pass additional tests. If the problem is chronic, the light will come back on.

The computer will also record pending codes. These being codes related to a system not passing the first test check. If then additional check fail, the light will come on.
 
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Old 06-18-2018, 11:45 AM
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Thank you so much, toyomoho. So do you think it is possible that this was a false alarm and we may not end up having to change the hybrid battery? Or do you think this is probably the Beginning Of The End and we will end up having to change it in the fairly near future?
p.s. There seem to be hardly any threads on this topic, I don't understand why.
 
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Old 06-19-2018, 10:53 AM
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The "Check Hybrid System" warning can mean something small or large ($$$).

Typically a failing battery gives some warning such as an increasing number of engine start cycles and reduced MPG. The internet has lots of posts on the signs of hybrid battery failure.

The car cannot be driven with a fully failed battery. Dealer battery replacement can cost upwards of $4000 (US). This repair cost may be more then the car is worth.

The dealer only installs new batteries. There are much cheaper rebuild/repaired battery options if one can find someone to install it (a pretty straight forward process).

The batteries are built having a number of cells bolted together then these linked via an electrical connector. One cell can go bad or the electrical connector between them fail. Repair these issues and the battery is again useful.

If knowing the repair options ahead of the game, one can make a more informed decision if the battery totally fails.

The battery warranty has most likely expired, however some local governments have mandated longer warranties.

There are forums for hybrid cars.
 
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Old 09-16-2018, 05:29 AM
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"Check Hybrid System" could also be the ABS pump (eg C1256).

This is where you need to check the error codes.

I use a VCX cable, which can be bought on eBay or from AliExpress (https://www.aliexpress.com/item/Lowe...826653887.html)
 
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