WHILE DRIVING MY SPEEDOMETER JUST STOPPED WORKING. IT HAS NOT WORKED SINCE. SOMETIMES IT SAYS I'M GOING 10MPH AND SOMETIMES IT SAYS I'M GOING 110MPH AND SOMETIMES IT JUST HANGS DOWN AT THE BOTTOM. OBVIOUSLY, THIS IS EXTREMELY DANGEROUS NOT KNOWING WHAT SPEED YOU ARE TRAVELING AT. *TR
2005 buick Rendezvous electrical problems
severe 30 complaints filed with NHTSA · avg repair $850
Complaints
30
Recalls
0
Crashes
2
Avg fix
$850
What owners are reporting 4 most recent
WE FOUND OUT THAT WE HAD A PROBLEM WITH MY WIFE'S VEHICLE. INITIALLY, THE VEHICLE WAS STATIONARY. I TOOK IT TO GET AN OIL CHANGE AND WAS ASKED TO COME INTO THE SHOP TO BE SHOWN THAT THE ANTIFREEZE WAS LIKE YOGURT IN THE RESERVOIR. WE WERE TOLD THAT WE NEEDED A COOLANT FLUSH. THIS LED TO BEING TOLD THAT WE NEEDED A NEW RADIATOR; BYPASS HOSE; AND LAST BUT NOT LEAST, HEAD GASKET JOB AMOUNTING TO AP…
I WAS DRIVING DOWN EASTERN AND STEWART IN LAS VEGAS NV WHEN THE CAR STALLED AND WOULD NOT START AGAIN WHILE TRYING TO COAST INTO A 7-11 PARKING LOT HIT A WALL AND CAR REAR ENDED ME . I REPLACED THE FUEL PUMP, ECV AND THE VEHICLE WORKED FINE THERE WAS GAS LEAKING FROM THE ECV NOW I CANT GET THE CAR TO START AT ALL I BELIEVE IT HAS TO DO WITH THE ELECTRONIC IGNITION SYSTEM. *TR
SPEEDOMETER GIVING INACCURATE READING TOTALLY INOPERABLE. ALL GAUGES INSTRUMENT PANEL NOT WORKING. AWD DISABLE LIGHT REMAINS ON. TACHOMETER, SPEEDOMETER, HEAT GAUGE READS ERRONEOUS SPEEDS HIGHER THAN TRUE SPEEDS. HIGH 135MPH WHEN STOPPED. TOTALLY INOPERABLE. *TR
Common questions
How serious is the electrical problem on the 2005 buick Rendezvous?
It's a meaningful issue. 30 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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