TSB: CHEVROLET EQUINOX, TERRAIN (2018–2024)

Bulletin 23-NA-046 — April 17, 2023

Bulletin Details

Bulletin ID23-NA-046
ManufacturerCHEVROLET
ModelsEQUINOX, TERRAIN
Model Years2018–2024
Date IssuedApril 17, 2023
Date Added to NHTSAFebruary 6, 2024
ComponentELECTRICAL SYSTEM
Vehicles Affected90 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This service bulletin provides a procedure to check for water intrusion at the door electrical connectors and repair the wiring if found the cause of customer concerns of Power Windows and/or Mirrors Inoperative, Power Seat Movement Inopera

Affected Vehicles

MakeModelYearComponent
CHEVROLET EQUINOX 2024 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2024 220000 SEATS
CHEVROLET EQUINOX 2024 160000 STRUCTURE
CHEVROLET EQUINOX 2024 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2024 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2024 220000 SEATS
CHEVROLET EQUINOX 2024 160000 STRUCTURE
CHEVROLET EQUINOX 2024 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2024 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2024 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2024 220000 SEATS
GMC TERRAIN 2024 160000 STRUCTURE
CHEVROLET EQUINOX 2023 160000 STRUCTURE
CHEVROLET EQUINOX 2023 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2023 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2023 220000 SEATS
CHEVROLET EQUINOX 2023 160000 STRUCTURE
CHEVROLET EQUINOX 2023 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2023 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2023 220000 SEATS
GMC TERRAIN 2023 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2023 160000 STRUCTURE
GMC TERRAIN 2023 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2023 160000 STRUCTURE
CHEVROLET EQUINOX 2022 160000 STRUCTURE
CHEVROLET EQUINOX 2022 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2022 220000 SEATS
CHEVROLET EQUINOX 2022 160000 STRUCTURE
CHEVROLET EQUINOX 2022 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2022 160000 STRUCTURE
GMC TERRAIN 2022 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2022 220000 SEATS
GMC TERRAIN 2022 160000 STRUCTURE
GMC TERRAIN 2022 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2022 160000 STRUCTURE
GMC TERRAIN 2022 220000 SEATS
GMC TERRAIN 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2022 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2022 160000 STRUCTURE
GMC TERRAIN 2022 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2021 160000 STRUCTURE
CHEVROLET EQUINOX 2021 220000 SEATS
CHEVROLET EQUINOX 2021 160000 STRUCTURE
CHEVROLET EQUINOX 2021 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2021 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2021 160000 STRUCTURE
GMC TERRAIN 2021 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2021 220000 SEATS
GMC TERRAIN 2021 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2021 160000 STRUCTURE
CHEVROLET EQUINOX 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2020 160000 STRUCTURE
CHEVROLET EQUINOX 2020 160000 STRUCTURE
CHEVROLET EQUINOX 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2020 220000 SEATS
GMC TERRAIN 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2020 160000 STRUCTURE
GMC TERRAIN 2020 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2020 220000 SEATS
GMC TERRAIN 2020 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2020 160000 STRUCTURE
CHEVROLET EQUINOX 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2019 220000 SEATS
CHEVROLET EQUINOX 2019 160000 STRUCTURE
CHEVROLET EQUINOX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2019 160000 STRUCTURE
GMC TERRAIN 2019 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2019 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2019 160000 STRUCTURE
GMC TERRAIN 2019 160000 STRUCTURE
GMC TERRAIN 2019 220000 SEATS
GMC TERRAIN 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2018 160000 STRUCTURE
CHEVROLET EQUINOX 2018 160000 STRUCTURE
CHEVROLET EQUINOX 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2018 220000 SEATS
CHEVROLET EQUINOX 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2018 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2018 220000 SEATS
GMC TERRAIN 2018 160000 STRUCTURE
GMC TERRAIN 2018 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2018 160000 STRUCTURE

Related CHEVROLET Recalls

CampaignModelYearComponentSummary
SILVERADO 3500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 2500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 1500 2018 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 1500 2018 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 2500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CHEVROLET dealer. Bring this bulletin ID (23-NA-046) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.