TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 1500. WHILE PARKED, THE CONTACT NOTICED THAT ALL THE LIGHTS ON THE INSTRUMENT PANEL WERE NOT WORKING. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTICS OR REPAIR. THE APPROXIMATE FAILURE MILEAGE WAS 42,000.
2006 Chevrolet Silverado electrical problems
severe 73 complaints filed with NHTSA · avg repair $850
What owners are reporting 4 most recent
THE INTERIOR LIGHTS ON THE GAUGES ALL TURN OFF MAKING IT HARD TO SEE THE SPEED LIMITS. BRAKES SOUND AS IF GRINDING BUT CANT TELL IF ITS BRAKES OR DIFFERENTIAL AND U JOINTS. NOISE GETS LOUDER IN THE CABIN OF THE TRUCK AS I DRIVE ON THE ROAD. 3. SIGNAL LIGHTS TURN ON BRIGHT WHILE ON LEFT HAND TURN SIGNAL. AND CIGARETTE LIGHTER AND OTHER COMPONENTS WONT WORK
DT: THE CONTACT STATED THE INSTRUMENT CLUSTER DID NOT WORK AT ALL. THE MANUFACTURER WAS CONTACTED, AND ADVISED THE CONTACT TO BRING THE VEHICLE TO A GM DEALERSHIP FOR SERVICE. THE CAUSE OF THE PROBLEM WAS UNDETERMINED.
RANDOMLY MY TRUCK WILL GO IN ENGINE POWER REDUCED AND TOP SPEED IS 35 MPH. IT HAPPENED A COUPLE OF TIME ON THE INTERSTATE. THE CODE THAT POPS UP IS P2135 AND I LOOKED IT UP ON LINE. THE INTERNET IS FULL OF FORMS AND VIDEOS ABOUT THIS PROBLEM. EVERYTHING ON THE INTERNET POINTS TO THE THROTTLE POSITION SENSOR. I'VE REPLACED IT TWICE AND REPLACED THE THROTTLE BODY TWICE AND WIRING TWICE. I PUT TRUCK …
Common questions
How serious is the electrical problem on the 2006 Chevrolet Silverado?
It's a meaningful issue. 73 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.