2009 Chevrolet Tahoe electrical system problems
33 owner complaints filed with NHTSA name the electrical system on the 2009 Chevrolet Tahoe — 12% of all complaints for this model year.
What owners report
“The dash and front and rear lights keep going on and off. And I changed all my lights on from and rear and it still happens there is a smell coming from my glove box. I can show you in person so we can see what can be done to fix this problem.”
filed Jul 8, 2026
“P2138 code causing the car to have reduced engine power causing unsafe driving conditions and danger to other traffic. Vehicle has been to dealer multiple times for issue, ECM replaced costing thousands and still not working.”
filed Nov 10, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Electrical SystemCampaign 10V240000 · Jun 4, 2010
Related service bulletins
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025
Electrical System problems in other Tahoe years
| Year | Reports | Share |
|---|---|---|
| 2025 Tahoe | 8 | 21% |
| 2024 Tahoe | 12 | 20% |
| 2023 Tahoe | 36 | 18% |
| 2022 Tahoe | 35 | 20% |
| 2021 Tahoe | 56 | 13% |
| 2020 Tahoe | 11 | 20% |
| 2019 Tahoe | 16 | 16% |
| 2018 Tahoe | 12 | 12% |
| 2017 Tahoe | 20 | 12% |
| 2016 Tahoe | 31 | 12% |
| 2015 Tahoe | 135 | 21% |
| 2014 Tahoe | 15 | 17% |
Other reported problem areas on the 2009 Chevrolet Tahoe
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.