2017-2020 Nissan Armada Hood Latch: Failure Symptoms and Replacement Guide
Diagnose a faulty hood latch, a persistent 'Hood Open' warning light, and learn what to inspect when purchasing a used replacement for your Armada.
- A failing hood latch is a critical safety issue. If the hood does not latch securely, do not drive the vehicle.
- The most common failure symptoms are a hood that won't close properly and a persistent 'Hood Open' warning light on the dash.
- The warning light is caused by a faulty sensor integrated into the latch assembly; replacing the entire latch is the standard repair.
- When buying a used part, prioritize one with no corrosion and a freely moving, snappy secondary safety catch.
Known Issues, Recalls, and TSBs
As of mid-2026, there are no specific recalls from the National Highway Traffic Safety Administration (NHTSA) for the hood latch assembly on the 2017-2020 Nissan Armada. However, Nissan has issued recalls for similar issues on other models, such as the Altima and Pathfinder, where corrosion could cause the secondary safety latch to seize in the open position. The causes, often related to road salt and debris buildup, are relevant to all vehicles. Owners should periodically inspect and lubricate the latch mechanism as a preventative measure.
Symptoms of a Failing Hood Latch
A failing hood latch can present several symptoms, ranging from a simple annoyance to a critical safety hazard. These can be mechanical, related to the latching mechanism itself, or electrical, related to the hood position sensor.
Mechanical Failure Symptoms
- Hood Will Not Close or Latch: This is the most common sign. You may push the hood down, but it fails to click shut or pops back up. This suggests the latch mechanism is worn, jammed, or misaligned.
- Hood Pops Open While Driving: This is a critical safety failure. If the primary latch fails and the secondary catch is also compromised, the hood can fly up at speed, completely blocking your vision.
- Loose or Rattling Hood: If you hear rattling from the front of the vehicle or notice the hood vibrating, especially at higher speeds, the latch may not be holding it down securely.
- Hood is Stuck Shut: If pulling the interior release handle does nothing, the release cable may be stretched or broken, or the latch mechanism itself is seized due to rust or debris.
Electrical Failure Symptoms
- 'Hood Open' Warning Light Stays On: A persistent warning light on the dashboard, even when the hood is firmly closed, is a classic sign of a faulty sensor. This sensor is integrated into the latch assembly, meaning the entire latch usually needs to be replaced to fix the issue. 🎬 See how to fix a false hood open warning
Warning: Some vehicles may disable other features, like windshield wipers, if the computer believes the hood is open. A faulty hood latch sensor could therefore become a safety issue in inclement weather.
Buying a Used Hood Latch Assembly
A used OEM hood latch from a reputable recycler is an excellent, cost-effective alternative to a new part. Because the part is primarily mechanical, its condition is easy to assess. Follow these inspection steps before buying.
Physical Inspection Checklist
- Check for Corrosion: Inspect the entire assembly for rust or heavy corrosion, which can cause moving parts to bind. Minor surface rust is often acceptable, but deep, flaky rust is a red flag.
- Test the Mechanism: Use a screwdriver to manually push the primary catch closed. It should snap shut firmly. Then, simulate pulling the release cable to ensure it springs back open crisply.
- Verify the Safety Catch: The secondary safety catch is the most important part to check. It should move freely and have strong spring tension, allowing it to snap back into place without sticking. A sluggish or seized secondary catch is dangerous.
- Inspect the Electrical Connector: Check that the plastic connector for the hood sensor is not cracked or broken and that the pins inside are clean and straight.
Opting for a used OEM latch over a new aftermarket part often ensures perfect fitment and reliable sensor operation, avoiding the potential compatibility issues that can arise with non-genuine parts.
Cost Comparison for Hood Latch Replacement
The cost to replace a hood latch on a 2017-2020 Armada can vary based on the part source and labor rates. The replacement is a simple job that most DIYers can complete in under an hour.
| Part/Service | Estimated Cost |
|---|---|
| New OEM Part | $65 - $110 |
| New Aftermarket Part | $35 - $70 |
| Used OEM Part | $30 - $65 |
| Shop Labor | $45 - $75 |
Frequently Asked Questions (FAQ)
Can I just lubricate my sticking hood latch?
Sometimes, yes. If the latch is sticking due to dirt or minor surface rust, cleaning it with a brake cleaner and then applying a spray-on lithium grease can restore its function. However, if the 'Hood Open' light is the problem or if the mechanism is badly corroded or worn, replacement is the only reliable solution.
🎬 Watch: How to clean and lubricate a stuck latchIs the 'Hood Open' warning light always a bad latch?
While the integrated sensor is the most common cause, the issue could also be a damaged wire leading to the latch or, in rare cases, a problem with the vehicle's body control module. Always check the connector and wiring for obvious damage before replacing the latch.
Is the 2017-2020 Armada hood latch the same as the Infiniti QX80?
Yes, the Nissan Armada and Infiniti QX80 from this generation (Y62 platform) share many mechanical components. The hood latch assembly, OEM part number 656011LB0A, is listed as compatible with both vehicles. However, always verify the part number before purchasing.
How difficult is it to replace the hood latch myself?
It is a very straightforward job, typically rated 1 out of 5 in difficulty. The process involves unplugging one electrical connector and removing two or three bolts. No special tools are required beyond a basic socket set. The entire job can usually be done in less than 30 minutes.
🎬 Watch: Step-by-step Nissan hood latch replacement guideHelpful Videos
Technical Specifications
OEM Part Numbers: 656011LB0A
Integrated hood ajar sensor switch.
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- NISSAN Armada: