WenmarOpen by Wenmar Pro

Service bulletin 21NA030

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10194094
Published by NHTSA2021-05-24
Manufacturer's number21NA030
Manufacturer's date2021-04-09
NHTSA componentBACK OVER PREVENTION

NHTSA's summary

This service bulletin provides a procedure to correct a customer concern of Engine Noise and/or Belt Squeak, MIL Illuminated.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Backup camera

Vehicles listed
BUICK LACROSSE2017, 2018, 2019
BUICK REGAL2018, 2019, 2020
CADILLAC ATS2016, 2017, 2018, 2019
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CTS2016, 2017, 2018, 2019
CADILLAC XT52017, 2018, 2019, 2020, 2021
CADILLAC XT62020
CHEVROLET BLAZER2019, 2020, 2021
CHEVROLET CAMARO2016, 2017, 2018, 2019
CHEVROLET COLORADO2017, 2018, 2019, 2020, 2021
GMC ACADIA2017, 2018, 2019
GMC CANYON2017, 2018, 2019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V7090002022-09-22. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT5931C2023-12-04. Service bulletin. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
PIT5931B2023-12-04. Service bulletin. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
PIP5395G2023-08-21. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
23-NA-0422023-07-14. Service bulletin. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
23-NA-0622023-06-19. Service bulletin. This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
23-NA-0622023-04-14. Service bulletin. This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.
17-NA-3312023-04-06. Service bulletin. This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
PIP56232023-03-13. Service bulletin. This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted.
PIT5921A2023-03-13. Service bulletin. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
22-NA-1272023-03-04. Service bulletin. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.