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Discussion Starter · #1 ·
Hey all,

I have a 2013 subaru XV hybrid and my EV mode doesnt seem to switch on at all. I have tried all driving styles. Anyone who has the same issue or with some info how to fix this. my fuel economy in city is about 6.5km/l which is waaaay too low.

Thanks in advance.
 

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Are you using air conditioning? It won't come on then. The compressor is driven by the engine.
 

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EV-only mode WILL work if the AC is on, but only if the car thinks the interior temperature is close enough. It will turn off the AC to accomplish this. If you are still in EV mode and the car thinks it has gotten too warm in the car, it will kick you out of EV mode to turn the AC back on.

EV-only mode won't engage at all if you have the defroster on.

EV-only mode also won't engage if you have the car in manual mode.

EV-only mode also won't engage if the engine temp is below 140 degrees F. If it is already engaged and your temperature drops below 136, it will disengage.
 

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Discussion Starter · #4 ·
hey thanks guys for the responses. I've tried without a/c as well but still nothing positive. I have a bunch of error codes i got from a scan. any idea where i can get information and trouble shooting of the error codes? B2819, C2551, B14A1 are the three error codes I have for my XV.
 

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Discussion Starter · #5 ·
hey thanks for the responses. I've tried without a/c as well but still nothing positive. I have a bunch of error codes i got from a scan. any idea where i can get information and trouble shooting of the error codes? B2819, C2551, B14A1 are the three error codes I have for my XV.
 

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hey thanks for the responses. I've tried without a/c as well but still nothing positive. I have a bunch of error codes i got from a scan. any idea where i can get information and trouble shooting of the error codes? B2819, C2551, B14A1 are the three error codes I have for my XV.
I'd take it to a dealership. Your vehicle is still under warranty. The Hybrid system has a 7 year warranty.
 

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I'd take it to a dealership. Your vehicle is still under warranty. The Hybrid system has a 7 year warranty.
It will probably only be covered by the hybrid warranty if it turns out to actually be a problem in the hybrid drivetrain. Who knows what these codes could mean. He might also still be covered by the standard warranty, depending on his mileage. Either way though, definitely should be brought in to the dealer to be diagnosed.
 

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Had the same issue in a 2014 XV hybrid.. BTW I'm also from Sri Lanka..
The issue turned out to be that the AC panel was that of a non-hybrid.
EV mode works fine after it was changed.
 

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My 2014 hybrid is doing the same thing. I have heard that it is a common issue so it is something that the dealership can fix. I think it has something to do with the power switch to the hybrid engine. I was told that it can cost up to $700 to fix. Although, it is definitely covered under the warranty because it is directly connected to the hybrid system. Your dealership might try and convince you that it is not covered by the warranty.
 

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thanks all for the fantastic trouble shooting the rotten egg smell that my wife reported.
Wives hybrid suburb crosstrek is about 3 years/ 3 months from the dealer..... approx 46 000 miles - well out of stop /start battery warranty based on what I've read.

The start stop battery was bubbling/smoking.... the EV light wasn't coming on any more and milage was decreasing.

I researched and found a Bosch on sale at pep boys.
https://www.pepboys.com/product/det...OYOTA/PRIUS/0/4-1798%201.8L%20DOHC?quantity=1
Bosch Premium Performance Battery Group, Size 51
Part #: 51-440BAGM| SKU: 647478


25% off sale when i got mine.

O'Reilly had two options as well... 140$ and 230$.
Both seemed good but the pep boys had better specs for the dollar.

I was able to receive a free installation appt for the next morning and all up it took 40 minutes and cost me $157$ to get the Prius battery.
I had to educate the pep boys staff but once they looked at it they got it.
The positive terminal may be slightly small as it took extra attention to get it tight enough to not move around.

On the drive home the sulphur/ rotten egg smell had ceased but the EV light wasn't illuminating / the electric motor wasn't engaging at the lights.
Once home I dis-engaged the main battery for a minute then re attached.
(i needed to reset the clock/ date but all other memory functions ( radio/ mileage results) were unaffected.

After a short couple of laps up and down a hill and around the block the EV now turns on as I brake/decelerate to a stop and all other functions work as expected.... battery indicator also went up from
25% to 75% for the big battery.

I saved all the money you guys have mentioned ( thank you all ) as well as the time / frustration of a saturday morning trip to the dealer.

... hope this helps some one else.



And yes - I plan on using an trickle charge once a month in the future although the pep boys Boche does have a 48 month warranty
 

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thanks all for the fantastic trouble shooting the rotten egg smell that my wife reported.
Wives hybrid suburb crosstrek is about 3 years/ 3 months from the dealer..... approx 46 000 miles - well out of stop /start battery warranty based on what I've read.

The start stop battery was bubbling/smoking.... the EV light wasn't coming on any more and milage was decreasing.

I researched and found a Bosch on sale at pep boys.
https://www.pepboys.com/product/det...OYOTA/PRIUS/0/4-1798%201.8L%20DOHC?quantity=1
Bosch Premium Performance Battery Group, Size 51
Part #: 51-440BAGM| SKU: 647478


25% off sale when i got mine.

O'Reilly had two options as well... 140$ and 230$.
Both seemed good but the pep boys had better specs for the dollar.

I was able to receive a free installation appt for the next morning and all up it took 40 minutes and cost me $157$ to get the Prius battery.
I had to educate the pep boys staff but once they looked at it they got it.
The positive terminal may be slightly small as it took extra attention to get it tight enough to not move around.

On the drive home the sulphur/ rotten egg smell had ceased but the EV light wasn't illuminating / the electric motor wasn't engaging at the lights.
Once home I dis-engaged the main battery for a minute then re attached.
(i needed to reset the clock/ date but all other memory functions ( radio/ mileage results) were unaffected.

After a short couple of laps up and down a hill and around the block the EV now turns on as I brake/decelerate to a stop and all other functions work as expected.... battery indicator also went up from
25% to 75% for the big battery.

I saved all the money you guys have mentioned ( thank you all ) as well as the time / frustration of a saturday morning trip to the dealer.

... hope this helps some one else.



And yes - I plan on using an trickle charge once a month in the future although the pep boys Boche does have a 48 month warranty
 

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Do anyone figured, what's "under-the-hood batteries" cross-compatible? "Left" battery (passenger side) has smaller terminals, however it has pretty standard size. Is it anything special regarding this battery? Why does it cost much more than regular car battery?
 

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I found some details for the 2014 model at https://static.nhtsa.gov/odi/tsbs/2013/MC-10067055-3639.pdf
I'm not sure about number 10, as I enter EV mode sometimes above 8mph.

The following conditions are required for activation of Automatic Start Stop and EV Mode.

1. Brake Booster pressure is present.
2. Engine Restart Battery is above 70% fully charged.
3. Engine Restart Battery is above 12.6 volts.
4. Engine Restart Battery temperature and high voltage battery are between 14 and 172 degrees Fahrenheit.
5. Engine Restart Battery is judged to be functioning correctly.
6. Engine Coolant temperature is above 125 degrees Fahrenheit.
7. Gear range is initially in Drive (D Range). Vehicle will not cancel Automatic Start Stop if active and shifted into park or any other gear range.
8. High Voltage Battery is greater than 40% fully charged.
9. ISG temperature is less than 212 degrees Fahrenheit.
10. Vehicle speed is less than 8 miles per hour.
11. The vehicle is not on a steep hill.
12. Accelerator pedal opening is less than 0.5% for Automatic Start Stop and not greater than 20% for EV Mode.
13. Brake pedal is pressed.
14. The front defroster is off.
15. In vehicle temperature is within 5 degrees Fahrenheit of the set temperature.
NOTE: The In Vehicle Temperature Sensor is equipped to measure humidity. Temperature and humidity must be within a specified level before EV Mode or Automatic Start Stop can operate.
 

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Hey all,

I have a 2013 subaru XV hybrid and my EV mode doesnt seem to switch on at all. I have tried all driving styles. Anyone who has the same issue or with some info how to fix this. my fuel economy in city is about 6.5km/l which is waaaay too low.

Thanks in advance.
Replace the small battery in engine compartment .....if it's not good EV will not work
 

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Subaru XV Hybrid has 3 batteries fitted in the car. The hybrid battery is in the boot of the car, the Start/Stop battery is in front of the drivers seat and third battery is in front of the passenger seat next to drivers seat.

Check the Start/Stop battery and the other battery apart from the Hybrid battery. The EV mode on my Subaru XV Hybrid 2015 (Japanese) model had stopped working for more than 2 months and 3 days ago, two lights which indicate "Hybrid system fail" and "EyeSight" starting showing on my dashboard. I got the 2 batteries under the bonnet checked where the Start/Stop battery had failed and the other battery was showing a weak status so I replaced them both at a total cost of $465.00. Within 5minutes of replacing these batteries, the EV mode starting working and even better than when first bought it (imported from Japan 1 and a half years ago). I asked around out 3 different places for checking out the battery status and the replacement cost and one thing all battery specialists advised was to replace both the batteries under the bonnet at the same time and not just one.

Try this before trying anything else as the Start/Stop battery in this model is apparently notoriously bad after about 4 years of use.
 
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