# Service bulletin 20NA215

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: 10194089
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: 20NA215
- Manufacturer's date: 2021\-04\-21
- NHTSA component: POWER TRAIN; STEERING; AIR BAGS

## NHTSA's summary

This service bulletin provides a procedure to correct a customer concern of Loss of Power Steering Assist, Service Power Steering and/or Steering Assist is Reduced Drive with Care Message Displayed on Driver Information Center \(DIC\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194089-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194089-9999.pdf)

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

## Components

Air bags, Steering, Transmission and driveline

## Vehicles listed

- 2020 to 2021 BUICK ENCLAVE
- 2020 to 2021 CADILLAC XT5
- 2020 to 2021 CADILLAC XT6
- 2021 CHEVROLET BLAZER
- 2020 to 2021 CHEVROLET TRAVERSE
- 2020 to 2021 GMC ACADIA

## Recalls for the same vehicles and component

- [22V210000](/recalls/nhtsa/22V210000.md), 2022-03-31: AIR BAGS:SIDE/WINDOW:CURTAIN
- [21V817000](/recalls/nhtsa/21V817000.md), 2021-10-18: POWER TRAIN:AUTOMATIC TRANSMISSION
- [21V472000](/recalls/nhtsa/21V472000.md), 2021-06-24: AIR BAGS:SENSOR:FRONTAL IMPACT
- [2020520](/recalls/tc/2020520.md), 2020-10-29: Powertrain
- [20V668000](/recalls/nhtsa/20V668000.md), 2020-10-29: POWER TRAIN:AUTOMATIC TRANSMISSION
- [2020350](/recalls/tc/2020350.md), 2020-07-30: Airbag
- [20V446000](/recalls/nhtsa/20V446000.md), 2020-07-30: AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [23\-NA\-074](/bulletins/11017508.md), 2025-05-02, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES; ENGINE; STEERING. This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon \(SES\), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
- [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- [16\-NA\-109](/bulletins/11014577.md), 2025-02-28, Service bulletin: STEERING. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
- [24\-NA\-239](/bulletins/11013269.md), 2025-01-30, Service bulletin: ELECTRICAL SYSTEM; SEATS; STRUCTURE:BODY; STEERING; ENGINE. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [08\-07\-30\-035I](/bulletins/11011989.md), 2024-12-19, Service bulletin: POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- [21\-NA\-181](/bulletins/11011904.md), 2024-12-18, Service bulletin: POWER TRAIN. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
- [23\-NA\-021](/bulletins/11011225.md), 2024-12-04, Service bulletin: ENGINE; POWER TRAIN. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
- [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.

JSON: [/v1/bulletins/10194089](/v1/bulletins/10194089)

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