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jessicadark6

Tahoe Height Control Issues

Hi, I've got a 2021 Chevy Tahoe with a diesel engine and I'm experiencing some issues with the height control. It's got about 100952 km on it. The warning light in the speedometer is on, and the low beams seem off, shining too high or too low. I've noticed the vehicle sits unevenly, with the front axle at a different height compared to the rear. Also, the ride feels quite bumpy. An error is stored in the memory, but I don't have the exact code. Any ideas?

Summary of the thread

A 2021 Chevy Tahoe owner is experiencing height control issues, with warning lights on, uneven vehicle height, and a bumpy ride. The problem is suspected to be related to the load sensors, specifically the control rods, which are common failure points. It is advised to have a mechanic inspect and diagnose the issue, leading to the discovery of a defective control rod on the sensor, which was successfully repaired.

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4 comment(s)

hannesmoon9

Whoa, sounds like a wonky situation with your Tahoe's air suspension. Uneven height and a bumpy ride? Definitely not how a Tahoe should feel! I've seen similar things before, usually points towards a problem with the load sensors. Have you checked the control rods on those sensors? A defective one can mess everything up. Do you know if the error message mentioned anything about the suspension?

jessicadark6 (community.author)

Thanks for the quick reply! I haven't specifically checked the control rods, to be honest. Where exactly are those located, and is it something I can easily inspect myself? As for the error message, unfortunately, I only have the information that it has something to do with the height control system. Is the control rod the most common cause for the described issues?

hannesmoon9

Okay, makes sense. Control rods are usually near each wheel, connecting the suspension to the sensor. It's sometimes possible to visually check if one is broken. But without the error code, it's hard to be 100% sure. Given all the symptoms, it could be the control rod, as it’s a fairly common failure point. However, to be safe, I'd recommend getting it to a trusted mechanic who knows these systems well. They can properly diagnose the problem and get you back on the road. I once had a similar problem with my old Silverado and drove myself crazy for a weekend trying to fix it. Cost me more in the end than just taking it to the shop to begin with.

jessicadark6 (community.author)

Thanks a lot for your input! I appreciate the advice and will take it to a mechanic to have it checked out. The mechanic confirmed it was indeed a defective control rod on the sensor. The whole repair set me back 110€. Your suggestion pointed me in the right direction. Thanks again!

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CHEVROLET

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TAHOE