This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to...
Chevrolet technical service bulletin 20-NA-121 for 2021-2024 Chevrolet Trailblazer and 2020-2024 Buick Encore GX.
- Bulletin number
- 20-NA-121
- Component
- Service brakes, hydraulic
- Summary
- This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote Key Inoperative, Malfunction Indicator Lamp (MIL) Illuminated with Possible DTCs.
Owners of these vehicles have filed 109 complaints in the brakes category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Trailblazer?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history