THE ENGINE QUITS UNANNOUNCED AND THE SAFETY LOCK DASH LIGHT ILLUMINATES. THIS CAN OCCUR ANYTIME REGARDLESS OF SPEED. IF AT HIGHWAY SPEED, THE CAR WILL RESTART ON ITSELF. AT LOW SPEED, I HAVE TO PUT THE TRANNY IN NEUTRAL AND RESTART THE ENGINE. THE DEALER CANNOT FIND THE SOURCE OF THE PROBLEM BUT SUSPECTS THE IGNITION SWITCH. THE PROBLEM IS WHAT IS CAUSING THIS ISSUE? *TR
2006 Buick Rainier electrical problems
severe 16 complaints filed with NHTSA · avg repair $850
Complaints
16
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
AFTER FILLING UP THE VEHICLE WITH FUEL, THE GAS GAGE GOES TO ZERO AND THE TANK EMPTY WARNING LIGHT COMES ON, AFTER DRIVING ABOUT 2 TO 3 MILES, THE CHECK ENGINE LIGHT COMES ON. AFTER DRIVING ANOTHER 10-15 MILES THE GAS GAGE RETURNS TO SHOWING ACTUAL LEVEL AND THE CHECK ENGINE LIGHT GOES OUT. HOWEVER, AT ABOUT A TANK LEVEL OF ABOUT 1/4 THE TANK IS NEAR EMPTY. THIS ERRATIC MALFUNCTION OF THE GAS GAGE…
DOOR LOCKS SUDDENLY STOPPED WORKING. LATCHES WOULD NOT OPEN, COULD NOT CLOSE DOORS.
Common questions
How serious is the electrical problem on the 2006 Buick Rainier?
It's a meaningful issue. 16 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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