GM Recall — 11,787 Silverado 3500 / Sierra 3500 for Fuel Pump Failure

General Motors recalls 11,787 Chevy Silverado 3500 and GMC Sierra 3500 pickups (2025-2026) with gasoline engines and dual fuel tanks. Faulty rear fuel pump can cause engine stall. Dealers will update ECM. Owner letters by April 20.

GM Recall — 11,787 Silverado 3500 / Sierra 3500 for Fuel Pump Failure

GM Recall — 11,787 Silverado 3500 / Sierra 3500 for Fuel Pump Failure

United StatesGeneral Motors announced this week a recall of 11,787 heavy-duty pickups — specifically Chevrolet Silverado 3500 and GMC Sierra 3500 from model years 2025 and 2026 — due to a defective rear fuel pump that can cause the engine to stall while the vehicle is moving 🚛⚠️

Affected Models

The recall affects the following pickups:

Model Years Affected Configuration
Chevrolet Silverado 3500 HD 2025-2026 Gasoline engines + dual fuel tanks
GMC Sierra 3500 HD 2025-2026 Gasoline engines + dual fuel tanks

💡 Important: Only pickups with gasoline engines and dual fuel tanks are affected. Silverado/Sierra 3500 with Duramax diesel engine are NOT included in this recall.

What's the Problem?

The specific defect:

  • ⚙️ Defective rear fuel pump: The electric pump in the rear tank can fail prematurely
  • 🚫 Result: When the rear pump fails, the engine loses fuel supply and stalls without warning
  • ⚠️ Risk: Engine stalling on highway = loss of power steering and power brakes (only manual assist remains) — increases collision risk
  • 📊 Incidence: GM reported field cases of affected vehicles before issuing the recall

🚨 Why Is This Dangerous?

An engine that stalls unexpectedly while driving:

  • 🚗 Loss of power steering: Steering wheel becomes extremely heavy (mechanical steering only)
  • 🛑 Loss of power brakes: Brakes still work but require MUCH more pedal force
  • Loss of acceleration: Can't accelerate out of a dangerous situation
  • 🚦 In heavy traffic: Very high risk of rear-end collision if engine stalls suddenly

This is especially dangerous on:

  • High-speed highways
  • Steep grades
  • Heavy traffic
  • When towing heavy trailer (loss of control of the entire rig)

Solution: ECM Update

GM will fix the problem through an ECM (Engine Control Module) software update:

  • 💻 ECM reprogramming: Dealer will update the engine control module software
  • ⚙️ Improved logic: New software detects when rear pump is failing and automatically switches fuel supply to front tank
  • 🔔 Driver warning: If rear pump fails, system will alert driver on dashboard
  • ⏱️ Repair time: ~30-45 minutes at dealer (reprogramming only, no physical parts replacement)
  • 💵 Cost: FREE — GM covers everything (official recall)

💡 Important: If after ECM reprogramming the rear pump actually fails, GM will replace the defective fuel pump at no cost.

Notification Dates

GM will send letters to affected owners:

  • 📅 Mail notifications: Will start arriving approximately April 20, 2026
  • 📧 Email/SMS: If you have your contact registered with GM, you'll also receive electronic notification
  • 🔑 VIN: You can check if your pickup is affected by entering your VIN at: chevrolet.com/recalls or gmc.com/recalls

What to Do If Your Pickup Is Affected?

1️⃣ Check If You're in the Recall

You can check right now:

2️⃣ Schedule Appointment with Your Chevrolet/GMC Dealer

Once confirmed:

  • 📞 Call your local dealer to schedule ECM reprogramming
  • ✅ Repair is FREE (GM covers everything)
  • ⏱️ Takes ~30-45 minutes — you can wait at the dealer

3️⃣ Meanwhile: Precautions

If you use your Silverado/Sierra 3500 BEFORE the repair:

  • ⚠️ Pay attention to symptoms:
    • Sudden loss of power
    • Engine stalling and restarting intermittently
    • Check engine light related to fuel system
  • Keep front tank full: If rear pump fails, front tank can continue feeding the engine temporarily
  • 🚦 Avoid heavy traffic if possible: Until repair is done
  • 📱 If engine stalls on highway:
    1. Turn on hazard lights IMMEDIATELY
    2. Try restarting engine while heading to shoulder
    3. If it won't start, call your dealer or towing service

Context: GM Recalls on Heavy-Duty Pickups

This isn't GM's first recall for Silverado/Sierra HD:

  • 2024: Silverado/Sierra 2500/3500 diesel recall for NOx sensor issues
  • 2023: Silverado/Sierra HD recall for airbag module defect
  • 2022: Recall for trailer brakes not working properly

GM has been proactive in identifying and correcting defects before serious incidents.

Will GM Reimburse Previous Repairs?

If you already paid out-of-pocket for a repair related to this defect (fuel pump or engine stalling issue) before the recall announcement:

  • 💰 GM may reimburse you for the costs
  • 📋 You need to provide evidence of the repair (receipts, shop work orders)
  • 📞 Contact GM Customer Service: 1-800-222-1020 (Chevrolet) or 1-800-462-8782 (GMC)

Inspection and Preventive Maintenance

Recalls cover factory defects, but NOT normal wear or secondary issues caused by heavy use.

If you use your Silverado/Sierra 3500 for heavy work (towing, loads, off-road):

👉 At The Truck Savers™ (Houston, TX) we offer complete inspections for heavy-duty pickups:

  • 🛣️ Free road simulator inspection: Detects hidden problems in suspension, steering, brakes, driveshaft
  • 🔧 Fuel system: While we don't replace electric fuel pumps (that's dealer work), we can diagnose fuel pressure problems and filters
  • ⚙️ Suspension and steering: Critical for 3500 pickups towing heavy loads (10,000+ lbs)
  • 🛞 Alignment: HD pickups with dual rear wheels (DRW) need precise alignment — affects safety and fuel consumption

Call us: (713) 455-5566 (Houston, TX)

Summary: GM Silverado/Sierra 3500 Recall

  • 🚛 Affected vehicles: 11,787 Chevrolet Silverado 3500 / GMC Sierra 3500 (2025-2026)
  • ⚙️ Configuration: Gasoline engines + dual fuel tanks
  • ⚠️ Problem: Defective rear fuel pump → engine stalls without warning
  • 💻 Solution: ECM reprogramming (software update)
  • 📅 Notifications: Owner letters by April 20, 2026
  • 💵 Cost: FREE — GM covers everything
  • 🔍 Check your VIN: chevrolet.com/recalls or gmc.com/recalls

Sources: LiveNowFox.com, General Motors Official Communications, NHTSA

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