Owners report six distinct steering and vehicle control problems in the 2011 Silverado. Several owners experienced sudden loss of power steering while driving at low speeds or parking—the steering wheel either seized completely or became impossible to turn. Two owners had steering column failures: one at 125,000 miles where the column seized and the ignition key wouldn't turn, requiring column and ignition replacement; another involved complete steering column breakage in a side-impact crash, allowing the wheel to spin freely and causing total loss of control.
One owner's knuckle assembly fractured and detached at just 27,000 miles. A separate incident involved a temporary electrical shutdown affecting steering, brakes, and radio for 3–5 seconds at 138,000 miles, with the owner referencing a known electrical campaign (14V827000). Another owner reported brake lockup with no warning lights, resulting in a crash and police report.
One complaint centered on a fuel gauge sensor malfunction: downhill driving caused false empty readings, triggering engine stall and simultaneous loss of power steering and brakes. GM told the owner this was normal and to keep the tank fuller—unworkable as an ongoing remedy.
Dealers either refused repair, claimed no applicable recall, or were unable to diagnose the issues.
Failure modes owners describe
Power steering loss/seizing
Steering wheel suddenly becomes difficult or impossible to turn, with complete loss of power steering function. Occurs at low speeds during parking or normal driving.
When: 12,000 to 150,800 miles; incidents occurring during low-speed maneuvers and parking
Symptoms owners cite: Steering wheel seizes without warning; Steering becomes difficult to turn; Complete loss of power steering while driving; Steering unresponsive during parking
Repairs/costs cited: Power steering pump replacement diagnosed by dealers; some vehicles not repaired
Steering column failure
Steering column mechanism fails, preventing ignition key from turning and causing steering wheel to seize. Can be triggered by normal engine start attempts or passenger side impact.
When: At 125,000 miles (seizing failure); unspecified mileage for impact-related column fracture
Symptoms owners cite: Steering wheel seized during parking; Ignition key would not turn to start position; Vehicle fails to start; Steering wheel can spin in complete circle (impact case); Full loss of vehicle control
Repairs/costs cited: Steering column and ignition replaced at dealer; some cases left owner stranded
Recalls/TSBs owners mention: Dealer stated no recall applied
Knuckle assembly fracture
Knuckle assemblies (steering/suspension component connecting wheel to vehicle frame) fracture and detach from the vehicle without warning during normal driving.
When: 27,000 miles
Symptoms owners cite: Knuckle assemblies fractured and fell off; Failure occurred without warning during driving at 15 mph
Recalls/TSBs owners mention: Dealer stated no recall
Electrical system shutdown affecting steering/brakes
Temporary loss of electrical power to steering, brakes, and other critical functions during normal driving. Vehicle decelerates independently and warning lights illuminate.
When: 138,000 miles; incident duration 3-5 seconds
Symptoms owners cite: Steering became inoperable; Brakes became inoperable; Radio and other electrical functions inoperable; Multiple unknown warning lights illuminated; Vehicle decelerated independently; Vehicle jerked forward
Repairs/costs cited: Vehicle not repaired
Recalls/TSBs owners mention: Owner referenced NHTSA campaign 14V827000 (electrical system)
Brake system failure
Brakes lock up or fail during normal driving, causing loss of vehicle control and resulting in crash. No warning lights precede failure.
When: Unspecified mileage
Symptoms owners cite: Brakes locked up without warning; Loss of vehicle control; No warning lights or messages prior to failure; Vehicle crashed as result
Repairs/costs cited: Police report filed; insurance company appraised vehicle after crash
Fuel gauge sensor malfunction causing power loss
Fuel gauge sends false empty reading during downhill driving, causing engine to stall and loss of power steering and braking. Caused by fuel sloshing to front of tank away from pump location.
When: Downhill driving; continuous intermittent problem
Symptoms owners cite: Fuel gauge light illuminates and gauge drops to empty; Vehicle stalls and loses all power; Loss of brake control; Loss of steering control; Fuel gauge remains at empty after restart
Recalls/TSBs owners mention: GM dealership and GM Engineering stated vehicle is working as designed; remedy is to keep fuel tank more full
Synthesized from 11 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.