# Service bulletin 22\-NA\-173

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: 11000577
- Published by NHTSA: 2024\-05\-31
- Manufacturer's number: 22\-NA\-173
- Manufacturer's date: 2024\-05\-11
- NHTSA component: POWER TRAIN

## NHTSA's summary

This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000577-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000577-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2020 to 2024 CHEVROLET CORVETTE

## Recalls for the same vehicles and component

- [22V091000](/recalls/nhtsa/22V091000.md), 2022-02-17: POWER TRAIN:DRIVELINE:DRIVESHAFT

## 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\-156](/bulletins/11017254.md), 2025-04-28, Service bulletin: POWER TRAIN. This service bulletin informs the technician on the running changes to the M1L, M1M and MLH automatic transmission.
- [21\-NA\-049](/bulletins/11013241.md), 2025-01-30, Service bulletin: POWER TRAIN. This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
- [24\-NA\-273](/bulletins/11013093.md), 2025-01-24, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides a procedure to replace the Drive Motor Disconnect Clutch Actuator to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) with DTC U01BE.
- [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.
- [24\-NA\-025](/bulletins/11013030.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.
- [23\-NA\-156](/bulletins/11012873.md), 2025-01-16, Service bulletin: POWER TRAIN. This service bulletin informs the technician on the running changes to the M1L, M1M, MLH automatic transmissions.
- [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.
- [24\-NA\-025](/bulletins/11011957.md), 2024-12-19, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.
- [PIP6026](/bulletins/11011683.md), 2024-12-09, Service bulletin: POWER TRAIN; UNKNOWN OR OTHER. This Preliminary Information communication advises the technician on the need to provide additional information when creating a TAC case for a DCT transmission

JSON: [/v1/bulletins/11000577](/v1/bulletins/11000577)

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