I've owned mine for a week now. Are these issues typical? - Jaguar I-Pace EV400 Forum
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post #1 of 6 (permalink) Old 07-06-2019, 07:44 PM Thread Starter
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I've owned mine for a week now. Are these issues typical?

I tried searching through the forums and didn't notice anyone else mentioning these performance issues. Am I the only one experiencing them?


  • When accelerating aggressively from a stand still, there is a heavy "lurch" and thud at first. Is this possibly the regenerative braking releasing? If I allow the car to creep forward for a second and then accelerate, this does not happen.
  • When traveling at high speeds (90+ mph), the car feels exactly as if I'm driving in very heavy cross-wind conditions and I'm getting billowed back and forth, even though there's no wind worth mentioning. This happens with both comfort and dynamic suspension settings.


I already have a service appointment schedule for next Saturday for numerous, common software issues (units randomly changing to Celsius on the climate buttons, Forward Collision Warning settings not being saved, main driver screen getting stuck with a picture of the car, etc) and I'm curious if I should mention these problems, or if this is just how it's supposed to be.
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post #2 of 6 (permalink) Old 07-06-2019, 08:47 PM
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There is some driveline snatch on cars without a torque converter. Can't tell if yours is excessive. It has nothing to do with the regen. Turn CREEP ON if you want.
The only dancing I experience is with the LDW assist or Steering Assist active on poorly/double-marked roads. I normally drive with one hand at 3 with a very light touch. Car is very stable until the limiter shuts it down at ~127 mph. Poorly built roads are common here (California), and motorcycles, cars, and trucks of all kinds are unstable and ride like buckboards on many of our freeways, even brand new ones. It's refreshing to leave the state and enjoy the difference of what good workmanship is all about when it comes to paving.

The Celsius thing is still a bug, but the Car Silhouette / Black Screen can be resolved by waiting for the car to wake up. Best method? Set your departure time, or unlock your car via fob whether or not locked.

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post #3 of 6 (permalink) Old 07-06-2019, 09:35 PM Thread Starter
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OH! I do have the steering assist on. I'll turn that off and see if it makes a difference. Thanks for the input!
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post #4 of 6 (permalink) Old 07-06-2019, 09:58 PM
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I have the 'bump' when flooring it in dynamic mode; in fact I get it not just with flooring but with merely spirited push ... I haven't noticed it in comfort mode but I also don't usually floor it in comfort

Crosswinds above 90mph? Have not experienced it. Yes it could be steering assist. Make sure to select the rattling and deselect the countersteer in the dashboard menu.
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post #5 of 6 (permalink) Old 07-06-2019, 11:04 PM Thread Starter
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Well I just took a short drove down the nearest highway at 100 mph, and I can report that the steering assist was 100% the problem. It seems like there's no way to turn off the Lane Keep Assist feature completely, but I was able to set it to only be active during cruise control. The car was as stable as possible at 100 mph and it felt great. Thank you for the great insight!
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post #6 of 6 (permalink) Old 07-09-2019, 05:38 PM
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Quote:
Originally Posted by sciencegeek View Post
I have the 'bump' when flooring it in dynamic mode; in fact I get it not just with flooring but with merely spirited push ... I haven't noticed it in comfort mode but I also don't usually floor it in comfort

Crosswinds above 90mph? Have not experienced it. Yes it could be steering assist. Make sure to select the rattling and deselect the countersteer in the dashboard menu.

Mine is at the dealer for a variety of things, including the bump. Dealer states this isn't normal, and two other I-Paces on the lot don't have the bump. Has anyone on here had the issue diagnosed?
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