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NHTSA ID Number: 10202399
Manufacturer Communication Number: PIT5854
Summary
This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
Condition
Some customers may comment on a Service Leveling System/Speed Limited message on DIC. Dealers may find no DTC’s present.
Cause
This could be caused by incorrect vehicle ride height variance due to an aftermarket lowering kit installed.
4 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | ESCALADE | 2021 |
| CHEVROLET | SUBURBAN | 2021 |
| CHEVROLET | TAHOE | 2021 |
| GMC | YUKON | 2021 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5854
Published date: 09/21/2021
https://www.nhtsa.gov/recalls?nhtsaId=10202399
MC-10202399-9999.pdf 1397.865KB
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- This kit includes Belltech part numbers 23323, 2410FF, 25004, and 2514
- Specifically made for your vehicle for guaranteed fitment and drop will be 2-4" front and 3-4" rear
- Included: Pro Coil Spring set, Shock Absorbers, Struts, and Drop Spindle Set
- Available with or without shocks
- Specifically made for your vehicle with guaranteed fitment
- OEM ride quality with added performance, control and comfort
- Premium hardware along with detailed instruction to insure you'll get the job done right the first time
![Supreme Suspensions - Rear Lowering Kit for 1999-2018 Chevrolet Silverado 1500 6-LUG High-Strength Steel Lowering Shackles [3' Wide Shackle] - 2' Rear Drop - Can Cooler Included with Purchase](https://m.media-amazon.com/images/I/41wqjMX496L._SL160_.jpg)
- COMPATIBLE WITH 1999 - 2018 Chevrolet Silverado and 1999 - 2018 GMC Sierra 1500 (2WD 4WD). *Fits 6-lug models equipped with 3" wide factory shackles.
- TECHNICAL NOTES: Designed to drop your rear end by 1 or 2 inches.
- BENEFITS: Improves handling performance by lowering the center of gravity of your vehicle and gives your ride that balanced and leveled look.
- INSTALLATION: After an easy 1-2 hour installation process*, you're ready to feature your new and improved ride! No special tools are required. *An alignment is always recommended after altering the height of your vehicle.
- LIMITED LIFETIME WARRANTY: All Supreme Suspensions brand products have been thoroughly tested before market release and are backed by or Limited Lifetime Warranty.
- Drops the front 2" and the rear 4" for a level drop.
- Maintains factory ride quality and uses N3 Performance Rear Shocks
- Includes Grade 9 hardware and hardened washers.
- Rear drop is adjustable between 4" and 4.5"
- Backed by Rough Country's Limited Lifetime Replacement Warranty.
- Spindles, Front Adjustable Performance Struts, Rear Shocks, Rear Axle Flip Kit, Adjustable Rear Hangers, Shock Extenders, Hardware and Instructions
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
- If you have any questions or need fitment information for your vehicle, please contact with us
- Lowers truck 6” by placing rear axle on top of leaf springs
- Installation instructions included
- Lowering shocks or lowering shock brackets recommended
- Includes lifetime unlimited mileage warranty against manufacturers defect
- 【Features】lowering shackles replace your old weak factory shackles and provide a little drop at the same time. Offered in 2 in. drop styles, these shackles are not only are shorter than stock to level the rear of your vehicle for a much cleaner look without stiffening the ride, but are also built
- 【Upgrade】Constructed of solid steel, urethane bushings, and powdercoated in gunmetal, lowering shackles are the quick, easy, and inexpensive way to get the look you're after. They are available for many popular truck and SUV models, so order the kit designed to fit your specific model.
- 【Easy To Install】There are installation instructions in the Product description on the web page, you don't have to worry about how to install
- 【Original Equipment Manufacturer(OEM)】410520 Fit for 1988-1998 Chevy C1500/C2500 | 1992-1999 Chevy & GMC C1500 C2500 K1500 K2500 Suburban | 1999-2019 Chevy Silverado 1500 | 1999-2019 GMC Sierra 1500 | and more vehicles.
- 【Quality Assurance】Two year warranty service, once there is a problem with the product, contact us here to solve it perfectly for you, without worrying about quality problems
- 【Replaces Part】410520.Please check OEM part number and compatibility before purchasing the Lowering Suspension Kit
- 【Compatible with】 1988-1999 C1500,1988-1999 C1500, 1999-2018 Sierra 1500, 1999-2018 Silverado 1500, 1997-2003 F150
- 【Features】Suspension shackle Kit is made by heavy-duty steel and Rust-resistant coating which is better strength,durable,Anti-corrosion and with long service life
- 【Package Included】1 Pair Leaf Spring Shackle Kit as pictured
- 【Warranty】12 Months Warranty, 2" Rear Drop Lowering Assembly is Built to strict quality control standards, 100% new and high quality，Easy to Install.
Last update on 2024-07-11 / Affiliate links / Images from Amazon Product Advertising API
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Bulletin No.: PIT5854 Published date: 09/21/2021 Preliminary Information PIT5854 Service Leveling System/Speed Limited Message Due to Aftermarket Modifications Models Brand: Cadillac Chevrolet Chevrolet GMC Model: Escalade Suburban Tahoe Yukon Model Years: 2021 2021 2021 2021 VIN: from to All All All All All All All All All All All All Engine: All All All All Transmissions: The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Involved Region or Country North America Additional Options (RPO) F47 Condition Some customers may comment on a Service Leveling System/Speed Limited message on DIC. Dealers may find no DTC’s present. Cause This could be caused by incorrect vehicle ride height variance due to an aftermarket lowering kit installed. Correction: Inspect for vehicle ride height being altered by performing the Trim Height Inspection (example Document ID # 5568651.) These lowering kits can cause premature wear to the air suspension components, tires, CV Joint, and also affect headlamp aiming. Vehicle Ride Height lowered Note: Decreased distance between top of tire and fender well. If the suspension has been found to be lower than factory settings, inspect for aftermarket adjustable suspension height sensor links being installed. Factory suspension height sensor links are not adjustable. As shown below: Aftermarket Adjustable suspension height sensor links. As shown below: Aftermarket Adjustable Height Sensor Linkages incorrectly adjusted side to side. Aftermarket Adjustable Height Sensor Link not secured properly, preventing accurate height sensor readings. Notice Angle or Rear Axle Drive Shaft due to suspension being lowered. Warranty Information Any concerns or damage that occurs as a result of vehicle modification may not be covered under the Terms of the New Vehicle Limited Warranty. Reference the latest version of TSB 09-00-89-016 (Warranty Administration – Labor Operation 0600014 – Suspected Tampering or Vehicle Modifications) if needed. Version History Version 1 Modified 09/21/2021 – Created on.
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