2009 Gmc Sierra 1500 — Known Issues & Recalls

Your passenger side airbag deployed while you were in the driver's seat with the key in the ignition but the engine off, and your driver side airbag deployed days later in a similar situation. The dealership found a corroded sensor was causing the unexpected deployments, but GMC refused to take responsibility and told you to pay for repairs yourself. The airbag system should have warned you about the faulty sensor like it does for low tire pressure, but gave no warning before deploying.

Your father's truck was hit head-on on the driver's side while making a left turn at 20 mph. Despite the collision causing serious injuries (rib, pelvis, and spine fractures), none of the airbags deployed to help protect him. The truck has not yet been inspected by insurance to determine if it's a total loss. Determining why the airbags failed will likely require a detailed inspection and diagnostic evaluation by a qualified technician or the manufacturer.

Your vehicle's airbags failed to deploy in at least four separate crashes at speeds ranging from 40 to 75 mph, including frontal and rear impacts. No warning lights appeared on the dashboard before any of these incidents, and you received a recall notice for the front passenger airbag but the vehicle was never repaired. The airbag system likely needs diagnostic testing and replacement of failed airbag modules or sensors.

Your airbag warning light came on while driving. The dealer diagnosed a corroded airbag control module as the cause, which relates to moisture getting trapped in the module. This is a known issue covered under Technical Service Bulletin 09184C. Fixing this will likely require replacing or cleaning the airbag control module to remove corrosion and prevent future moisture damage.

Your airbag warning light came on, and you took your truck to the dealer. The dealer said the Takata airbag recall had already been completed on your vehicle, but the warning light was still on. You ended up paying out of pocket to have the airbag sensor repaired, and you're seeking reimbursement for that repair cost.

You're concerned about GM's Takata airbag recall policy regarding dashboard damage. You read that GM would inspect your dashboard before the recall work and wouldn't replace it if it was already damaged, but your dashboard is in perfect condition. However, your dealer told you that you'd be responsible for paying for dashboard replacement if their technicians damage it during the airbag recall work—even though it's currently undamaged. You believe GM should cover any damage their service technicians cause during the recall repair.

While driving, your truck suddenly lost power steering and power brakes, then shut off completely during a right turn at an intersection. You had to manually steer and brake to avoid oncoming traffic and get the vehicle to a safe stop. The engine would crank but not restart. GM issued a recall (Service Bulletin 14515B) for internal contamination in the chassis electronic control module that can cause this exact problem, but the dealership is denying your truck qualifies for the recall. Repairing this issue will likely involve replacing the contaminated electronic control module under the recall program.

Your transmission control module (TCM) and electrical system have lost their ground connection, causing the transmission to malfunction. This is a known issue affecting many vehicles of this model, and dealers report the replacement parts are backordered, forcing owners to rebuild or replace the entire module at significant expense.

Your dashboard instrument cluster keeps shutting off and turning back on. When it's off, you can't see your speed, RPM, or fuel gauge — even though all the dashboard warning lights stay on. You've already replaced fuses and tried reset procedures without success, making it impossible to know how fast you're driving or if you have enough fuel.

Your truck's frame has developed severe rust damage, even though it's relatively new to you. This rust has spread beyond just the frame — you've had to replace gas lines, brake lines, and other components due to corrosion. The extent of the rust damage makes you concerned about the safety of driving your family in the vehicle. Addressing this issue would likely require professional frame inspection, rust treatment, and replacement of any compromised fuel and brake system components.

Your dashboard has developed cracks and is so damaged that it rattles constantly, even on smooth roads. The defrost grille is also completely broken. Despite proper maintenance, the plastic dashboard appears to have deteriorated prematurely. Fixing this would likely require replacing the dashboard panel and defrost grille components.

Your dashboard has developed a crack. This is a cosmetic issue that doesn't affect your vehicle's operation or safety, though it may be visually noticeable from inside your cab. Fixing it would likely involve dashboard replacement or repair through a trim shop.

Your 2009 GMC Sierra 1500's engine has experienced valve lifter failure twice—once in the original engine and again after a dealership replaced it with a new engine. Both failures were sudden with no warning lights or symptoms beforehand, creating unsafe driving conditions. The issue appears to be related to the Active Fuel Management (AFM) system. Fixing this will likely require a complete engine replacement or major valve lifter and AFM system repair.

Your vehicle hesitated when accelerating at highway speeds, and the check engine and traction control lights came on. A diagnostic test revealed that cylinder #4 has a failed lifter that's preventing it from maintaining proper compression, causing the engine to misfire. The dealer confirmed the lifter failure but the manufacturer offered no assistance. Fixing this will likely require replacing the lifter in cylinder #4 and possibly related engine components.

Your truck's stability control system isn't working properly, and you're unable to shift into gear reliably. When you do drive it, the transmission may suddenly enter limp mode, restricting your speed to around 20 mph even when you need to keep up with highway traffic at 75+ mph, making the vehicle unsafe to operate. The repair requires replacement parts that are currently unavailable from GMC, leaving your truck out of service.

Your transmission is shifting hard at random times and triggering multiple error codes that put your truck into limp mode (reduced performance). You can clear the codes and the transmission works fine temporarily, but the problem returns unpredictably — sometimes within hours, sometimes lasting a week. This will likely require diagnostic scanning to identify the underlying transmission fault and potentially transmission fluid service or internal repairs.

Your steering tie rods may fail prematurely between 50,000 and 100,000 miles, causing your steering wheel to feel loose or wander. You might hear clunking noises from the front end, especially when turning at low speeds, and notice uneven tire wear. In severe cases, tie rods can separate, causing you to lose steering control. The fix typically involves replacing the inner and outer tie rods and having the front end alignment checked.

Your door panel loosens over time and catches on the inside of the door frame, making it hard to open the door. This could be a safety problem in an emergency, so you may need to remove or secure the panel. The fix likely involves reattaching or replacing the door panel clips or fasteners that hold it in place.

Your dashboard lights and gauges randomly go out while driving, leaving you unable to see your speedometer, fuel gauge, or other vital information. When this happens and you turn off the engine, you hear a clicking noise coming from the dashboard. At night, losing all dashboard lighting makes it impossible to see the road safely.

Your truck's upper shock mounts have rusted off completely, and the rear spring shackles have developed holes from rust, with a mechanic noting there may not be enough metal remaining to repair them by welding. The frame, cross members, and cab corners show significant rust damage, and the left rear wheel opening is also rusting through, making the vehicle potentially undriveable despite low mileage and good maintenance.