# Service bulletin B370121

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10203337
- Published by NHTSA: 2021\-11\-08
- Manufacturer's number: B370121
- Manufacturer's date: 2021\-09\-01
- NHTSA component: SUSPENSION

## NHTSA's summary

After performing vehicle test, fault code 80422D "self\-leveling suspension missing slave" will not clear.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203337-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203337-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- 2019 to 2021 BMW X5
- 2020 to 2021 BMW X6

## Recalls for the same vehicles and component

- [20V678000](/recalls/nhtsa/20V678000.md), 2020-11-04: SUSPENSION:FRONT:CONTROL ARM

## Other bulletins for the same vehicles and component

- [B310122](/bulletins/10252033.md), 2024-04-01, Service bulletin: SUSPENSION. During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/o router CV boots.
- [SIB360223](/bulletins/10236226.md), 2023-05-15, Service bulletin: SUSPENSION:FRONT:SHOCK ABSORBER. Tire noise from the front axle in the 30 to 50 mph speed range.
- [B370121](/bulletins/10208178.md), 2022-02-22, Service bulletin: ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); SUSPENSION. After performing vehicle test, fault code 80422D "self\-leveling suspension missing slave" will not clear.
- [B370219](/bulletins/10163040.md), 2019-07-22, Service bulletin: SUSPENSION. CHECKING IF REQUIRED REPLACING REAR RIDE HEIGHT SENSOR CONTROL RODS. The holders of both control rods for the ride height sensors on the rear axle may have been mounted incorrectly \(the locking tabs are not correctly locked\).
- [B370119](/bulletins/10161564.md), 2019-06-24, Service bulletin: WHEELS; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\). Service Information May 2019 Special Suspension Systems B37 01 19 Technical Service CHECK CONTROL MESSAGE \(CCM\) DRIVING COMFORT RESTRICTED. Chassis stabilization warning and CCM Driving comfort restricted. Vertical Dynamics Platform \(VDP\) fault code for ride height sensor implausible value. Any of the following fault codes may be logged depending on the respective wheel ride height sensor0x030C5A 0x030C5B 0x030C5C 0x030C5D The ride height sensor linkage became disconnected.

JSON: [/v1/bulletins/10203337](/v1/bulletins/10203337)

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