Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Land Rover Defender 110FACTORY OEM SERVICE PROCEDURE
Technical Bulletins: Campaigns
- Accessories Control Systems
- Anti-Theft Systems
- Auxiliary Emission Control Systems
- Blowers, Superchargers & Turbochargers
- Body Interior
- Campaign
- Clutch
- Collision/Avoidance
- Communication Devices
- Cooling System (Mechanical)
- Differentials & Drive Axles
- Electric Motor Systems
- Engine Control Systems
- Near Field Sensing Module (NFSM) Wired Updates (N815V3)
- MHEV DCDC Internal Failure With Warning Message Displayed On The Instrument Panel (SSM76173)
- Software Updates (N796)
- SDD 165.00.002 Will Require Downloading And Installing As Soon As It Has Been Released (SSM76155)
- The Calibration And As-Built Servers Require Some Configuration To Support The Release Of SDD 165 (SSM76152)
- SDD 165.00.002 Release Has Been Cancelled As A Concern Has Been Found Which Prevents This Release (SSM76136)
- SDD 165.00.002 Will Require Downloading And Installing As Soon As It Has Been Released (SSM76136)
- Door Zone Module - Quiescent Drain (N811V2)
- Software Updates (N795)
- Engine Cut-Out (N599NAS3)
- Safety Recall: Engine Cut-Out (N599NAS2)
- Exhaust
- Exterior Lights
- Interior/Exterior Trim
- Lubrication System
- Seats
- Safety Recall - Early Deactivation Of The SEATBELT Automatic Locking Retractor Mode (N630NAS2)
- Safety Recall - Front Row Seat Tracks - Renew (N609NAS1)
- Safety Recall - Incorrect Owner's Handbook Instructions For Third-Row Latch System (N601NAS1)
- Notification Of Safety Recall N609 (NHTSA 21V-499) (NAS21.07.018)
- Sun Roof/T-Top/Convertible Top
- Transfer Case
- TSB
- Window Motors & Regulators
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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