GM Recall: 11,787 Silverado 3500 & Sierra 3500 for Fuel Pump Issue

General Motors issued a recall for 11,787 units of Chevrolet Silverado 3500 and GMC Sierra 3500 (2025-2026) for defective rear fuel pump that can cause engine stall. NHTSA ID: 26V129.

General Motors issued a major recall for heavy-duty pickups 🛻⚠️

11,787 units of Chevrolet Silverado 3500 and GMC Sierra 3500 (2025-2026 models) are being recalled for a rear fuel pump issue that can cause the engine to stall while driving.

Recall Details

• NHTSA Number: 26V129
• Affected Models:
  • Chevrolet Silverado 3500 (2025-2026)
  • GMC Sierra 3500 (2025-2026)
• Affected Engine: Pickups with gasoline engine and dual fuel tank system
• Total Units: 11,787
• Announcement Date: March 2026
• Owner Notifications: Will begin April 20, 2026

What's the Problem?

The defect is in the fuel transfer system:

• These pickups have two fuel tanks (dual fuel tanks)
• The rear fuel pump transfers diesel/gasoline from the rear tank to the front tank
• In some units, this pump doesn't transfer fuel adequately
• Result: the engine may run out of fuel even though the rear tank is full

What Can Happen?

• Engine stalls suddenly — even on the highway
• Loss of engine power
• Won't start after refueling — because fuel doesn't reach the front tank
• Accident risk — if the engine stalls in traffic or a dangerous situation

Which Exact Models Are Affected?

Only Silverado 3500 / Sierra 3500 pickups with this configuration:

• Gasoline engine (not diesel — the issue is with gasoline)
• Dual fuel tank system
• 2025-2026 model years

NOT Affected:

• Silverado/Sierra 1500 or 2500 — only 3500
• Versions with Duramax diesel engine — only gasoline
• Versions with single fuel tank
• Model years prior to 2025

How to Check If Your Pickup Is Affected

If you have a 2025-2026 Silverado 3500 or Sierra 3500, check this way:

Option 1: NHTSA Website

• Go to: nhtsa.gov/recalls
• Enter your VIN (vehicle identification number — 17 characters)
• The system will tell you if your pickup has pending recalls

Option 2: Call the Dealer

• Call your Chevrolet or GMC dealer
• Provide your VIN and ask if your pickup is in recall 26V129

Option 3: Wait for the Letter

• GM will start sending letters to owners on April 20, 2026
• If your pickup is affected, you'll receive notification by mail

What's the Solution?

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

• The dealer will reprogram the engine control module
• The update improves rear fuel pump operation
• Quick procedure — estimated 30-60 minutes at the dealer
• FREE — GM covers 100% of the cost

What to Do in the Meantime?

If you have an affected pickup and haven't taken it in for repair yet:

Symptoms to Watch For:

• Engine loses power for no apparent reason
• Engine stalls while driving
• Problems starting after filling the tank
• "Check engine" light on

Safety Measures:

• Avoid running low on fuel — keep both tanks above 1/2
• If the engine stalls on the road, turn on hazards and pull over safely
• Don't ignore symptoms — schedule dealer appointment ASAP

Other Recent Pickup Recalls

March 2026 has been a heavy recall month:

Ford

• 4.3 million F-Series (F-150, F-250, F-350, F-450, F-550, Maverick, Ranger 2021-2026) — defective integrated trailer module
• F-250 SD and F-350 SD 2025-2026 — driveshaft can separate

Ram

• 456,287 units of Ram 1500, 2500, 3500 (2025-2026) — improperly designed trailer module, trailer lights and brakes may fail

🚛 Preventive Maintenance for Heavy-Duty Pickups

3500 pickups are workhorses — if you use it for towing or heavy work, maintenance is critical.

At The Truck Savers™ we work with heavy pickups:

• FREE road simulator inspection — detects problems in suspension, steering, brakes
• Professional alignment — especially important if you tow heavy loads
• Suspension diagnostics — 3500s carry heavy weight, suspension suffers
• Tire balancing and rotation — extends tire life

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

👉 Parts at our online store.

Conclusion

If you have a 2025-2026 Chevrolet Silverado 3500 or GMC Sierra 3500 with gasoline engine and dual tanks, check if it's in recall 26V129. The fuel pump issue can cause engine stall — but the fix is quick and free at the dealer. Owner letters go out April 20, but you can check now at nhtsa.gov/recalls with your VIN 📋

Source: NHTSA, Pickup Truck Talk, Work Truck Online