2008 Chevrolet Tahoe Hybrid electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2008 Chevrolet Tahoe Hybrid — 22% of all complaints for this model year.
What owners report
“I was driving when one of the lifters collapsed , I have had nothing but problems with this vehicle I submitted another complaint a while ago and hadn't heard nothing , now my back hatch wont open my doors on the passenger side don't lock with the button or remote I have done nothing but put money…”
filed Jun 16, 2019
“Collapsed lifter number 7 , regularly fowls out the number one plug, spider gear in the rear end shredded had to be rebuilt , replaced valve cover because of oil issue , replaced oil pressure sending unit , replaced back wiper, passenger side door locks dont work with button or remote , clock quit…”
filed May 10, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
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 Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2009 Tahoe Hybrid | 7 | 32% |
Other reported problem areas on the 2008 Chevrolet Tahoe Hybrid
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.