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all, just noticed my coolant was on the low side. No visible signs of leaks or drops under the car when parked. Any ideas if this is normal? 11k miles

2021 10.1

I was at the dealer last week and they told me my Telematics had the latest update, yet I still have those same issues.

Quick update...they applied the TSB to my truck, the bassy noise is still there. I should be clear, my rumble is when driving, not idle. Maybe the issues are not the same.

went for a test drive with the technician - he agreed he heard the noise we then took out a brand new loaner, same noise. he is flashing the amp anyway for me. will let you know if it goes away. maybe my noise is not the ANC or maybe both vehicles have the issue...or maybe its normal.

FYI I am at the dealer now and recommended they check the Amp TSB for the rumbling noise. Will advise later on outcome. Also asked them to perform TSB to fix my missing data on the Jeep app from the Telematic TSB.

2021 GCL, have a vibration when accelerating around 63-68mph. Dealer did a road force balance and match mount of tires, but seems the issue may have gotten worse. Any experience or thoughts?

sounds logical, but with all of the complains here about the issue, has no one had it done and can comment on results? I am quite surprised. I do recognize though, this TSB was just posted 3 weeks ago, so quite possible no one made it to the dealer yet also.

The TSB does say it is for flashing the amp. So why would you say it's not for the amp?

Can anyone confirm if this TSB was performed to fix the rumble coming from the Active Noise Cancellation or is this related to something else?

I agree. Unfortunately I think we’re going to have to live with it. I don’t know what else to do.

How can we find out for sure. I have tape over the third mic but honestly it doesn’t seem to be working.

Anyone have an update on the Active Noise Cancellation issue? It’s bothering me every time I drive. I’ll try the tape fix but how annoying.

Hi All, new here…5500 miles Have two issues (I think) 1 - when coasting at low speeds with radio off I seem to hear a low bass like sound from the rear. It almost sounds like the subwoofer very lowly. Seems to happen over very small road imperfections (I think). Am I going crazy and is it...