# Service bulletin N202321843

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: 10187226
- Published by NHTSA: 2021\-02\-16
- Manufacturer's number: N202321843
- Manufacturer's date: 2021\-01\-12
- NHTSA component: EXTERIOR LIGHTING; AIR BAGS

## NHTSA's summary

Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light \(malfunction indicator light\) will illuminate. This typically occurs at low mileage. Dealers are to perform the inspection procedure contained within this bulletin.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187226-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187226-9999.pdf)

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

## Components

Air bags, Lighting

## Trouble codes named

P0747

## Vehicles listed

- 2020 to 2021 CADILLAC XT4

## Recalls for the same vehicles and component

- [2023591](/recalls/tc/2023591.md), 2023-11-02: Lights And Instruments

## Other bulletins for the same vehicles and component

- [01\-08\-42\-001Q](/bulletins/11014170.md), 2025-02-11, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- [22\-NA\-244](/bulletins/11000550.md), 2024-05-30, Warranty extension: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [PIP5863B](/bulletins/10253062.md), 2024-04-15, Service bulletin: EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp \(MIL\) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
- [23\-NA\-110](/bulletins/10251360.md), 2024-03-06, Service bulletin: ELECTRICAL SYSTEM; AIR BAGS; SEATS. This technical bulletin provides a procedure to correct the condition of Intermittent Service Airbag System message \(DTC B0014 B0021\).
- [02\-08\-42\-001J](/bulletins/10249011.md), 2024-01-19, Service bulletin: EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
- [21\-NA\-135](/bulletins/10245559.md), 2023-11-29, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
- [01\-08\-42\-001P](/bulletins/10236041.md), 2023-05-09, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- [21\-NA\-151](/bulletins/10234145.md), 2023-04-13, Service bulletin: STRUCTURE; EXTERIOR LIGHTING. This service bulletin provides repair information to correct a customer concern of seeing front headlamp protective tape peeling.
- [01\-08\-42\-001O](/bulletins/10232136.md), 2023-02-28, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
- [18\-NA\-279](/bulletins/10232069.md), 2023-02-23, Service bulletin: EXTERIOR LIGHTING; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

JSON: [/v1/bulletins/10187226](/v1/bulletins/10187226)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20N202321843&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10187226&vehicle=Service%20bulletin%20N202321843)