I HAD TO REPLACE THE DRIVER SIDE WINDOW MOTOR AT ABOUT 30,000 MILES AND NOW THE PASSENGER SIDE MOTOR IS ACTING UP AND WILL PROBABLY HAVE TO BE REPLACED - I AM CURRENTLY AT 38000 MILES. SEEING SO MANY OTHER COMPLAINTS, INCLUDING VEHICLE DOOR FIRES, THIS SHOULD BE RECALLED. *TR
2008 chevrolet Trailblazer electrical problems
severe 62 complaints filed with NHTSA · avg repair $850
Complaints
62
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 6 most recent
AIRBAG LIGHT CAME ON AND HAD A BAD IMPACT SENSOR. HAD TO REPLACE TO PASS INSPECTION. SUV ONLY 6 YEARS OLD. STABILITY CONTROL LIGHT COMES ON EVERY TIME I HIT A BUMP IN THE ROAD. *TR
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE VEHICLE FAILED TO START. THE FAILURE OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 61,553. UPDATED 02/24/15*LJ UPDAT…
75K ON 2008 TRAILBLAZER.... INSTRUMENT PANEL LIGHTS AND AUDIO DISPLAY WORK INTERMITTENTLY. SEEMS TO BE CONNECTED TO COLD TEMPS? THEY ARE OFF AT STARTUP BUT AS SUV IS DRIVEN AND WARMS UP... THE AUDIO DISPLAY APPEARS. THE RADIO/CD PLAYER WORK EVEN WHEN THE DISPLAY IS OFF. JUST STARTED HAPPENING THIS FALL (2016). ALSO.. THE LOW TIRE PRESSURE LIGHT COMES ON ONLY IN COLD TEMPS BUT GOES OUT AFTER DRIVI…
WHILE ENTERING A GAS STATION THE VEHICLE IN FRONT OF ME SLAMMED ON THE BRAKES. THIS WAS DONE BECAUSE THE GM AT THE PUMP HAD IT'S BACKUP LIGHTS ON AND WASN'T EVEN BACKING UP. WHAT'S REALLY DISTURBING IS THE FACT PEOPLE WILL START TA IGNORE THESE IN DARK OR RAINY PARKING LOTS AND POTENTIALLY GET RUN OVER. SHOULDN'T BACKUP LIGHTS ONLY BE USED FOR BACKING UP? THIS LOOKS LIKE A PROBLEM WITH THE WHOLE V…
IT BAG FOR FRONT DRIVER LIGHT IS ON DO NOT KNOW WHY? THERE IS SOME KIND OF ELECTRICAL SHORT AND I'VE HAD IT CHECKED BY TWO COMPANIES CANNOT FIND IT I'VE HAD NEW BATTERY, NEW ALTERNATOR AND STILL CAR STOPS WORKING I GET CAR JUMPED AND CAN PUT KEY IN IGNITION TO TRY TO START CAR AND WHEN I SHUT CAR OFF TOO SOON OR WHY I TRY TO START CAR IT'S NOT WORKING AND THEN I CANNOT GET KEY OUT OF THE IGNITI…
Common questions
How serious is the electrical problem on the 2008 chevrolet Trailblazer?
It's a meaningful issue. 62 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
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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