THE AIR/HEAT SYSTEM COMPLETELY QUIT WORKING. NO SHOP THAT HAS LOOKED AT IT CAN TELL WHAT IS WRONG WITH IT.
2008 Chevrolet Tahoe electrical problems
moderate 89 complaints filed with NHTSA · avg repair $850
Complaints
89
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
REAR DOOR LOCKS (ACTUATORS) STOPPED WORKING. FIRST PASSENGER REAR LOCK FAILED TO OPEN OR CLOSE. THIS HAPPENED AFTER WARRANTY COVERAGE HAD ENDED. AFTER SOME RESEARCH I HAVE FOUND OUT THAT THIS IS A WIDESPREAD GM ISSUE ESPECIALLY WITH 2008-09 GM SUV TYPE OF VEHICLES. MY UNDERSTANDING IS THAT THE ACTUATOR MOTOR FAILS. IT IS ALSO MY UNDERSTANDING THAT THIS ELECTRICAL FAILURE IS DUE TO A VERY INEXPENSI…
SIRIUS XM SIGNAL IS NOT WORKING AND I HAVE HAD THE DEALER DO A REBOOT/RESET ON THE RADIO. THE RESET WORKED FOR 2-3 MONTHS WHEN I TOOK IT TO GILCHRIST CHEVROLET IN TACOMA WA. I HAVE LOST SIGNAL AGAIN AND DEALERSHIP IS NOT VERY HELPFUL WITH THIS TYPE OF SITUATION. SIRIUS XM POINTS THEIR FINGER AT GM AND GM IS POINTING THEIR FINGER AT SIRIUS XM. I JUST WANT MY RADIO TO WORK. DEALERSHIP DOES NOT SEEM …
Common questions
How serious is the electrical problem on the 2008 Chevrolet Tahoe?
It's a documented issue but not catastrophic. 89 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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