Popping sound, ABS/traction control and service 4wd lights

[Krussell81]

Just got Jeep Tuesday night , 12/14/21, and was in shop Wednesday, 12/15/21, for these lights coming on and a popping coming from under truck. Got truck back yesterday, 12/17/21, and today, 12/18/21, same thing! The first time was in shop they said sway bar was loose, ABS sensor broke, wiring harness bad connection and firmware update. But now after fixing all that it’s doing again. It goes back to shop Monday, 12/20/21, already scheduled. Anyone else have this issue?!?! Was bought brand new it’s a 2021 Gladiator Sport.

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[NC_Gladiator]

Going through the same issue right now. Last week they diagnosed it as a bad wheel speed sensor. Issue still going on, goes back to the shop this Tuesday.

 

[NC_Gladiator]

Dropped mine off this morning, they said they likely won’t get to it tomorrow. Have you had any luck yet?

 

[Renegade]

Just got Jeep Tuesday night , 12/14/21, and was in shop Wednesday, 12/15/21, for these lights coming on and a popping coming from under truck. Got truck back yesterday, 12/17/21, and today, 12/18/21, same thing! The first time was in shop they said sway bar was loose, ABS sensor broke, wiring harness bad connection and firmware update. But now after fixing all that it’s doing again. It goes back to shop Monday, 12/20/21, already scheduled. Anyone else have this issue?!?! Was bought brand new it’s a 2021 Gladiator Sport.

Any video of the popping? Any chance its a broken u-joint? I can attest to those lights coming on if an ABS wire gets broken.

 

[glassjawkid32]

Following this as I have a popping noise as well.

 

[Courtsm3]

No popping but I’ve had ABS and TC warnings over the last week that were on and off again on my brand new 2021. Now its on full time. My Obd2 computer doesnt support the new jeeps so I cant figure out whats up. Im hoping its just the -24 to -15 weather we’ve been getting but its still BS. My 2020 didnt have this issue last winter.

 

[SwankyTiger]

I have the ABS, TC and service 4X4 lights come on with the messages service abs and service electronic stability control. Its also pulsing my ABS pump occasionally. 21 with 3500 miles on it.

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