2021 Land Rover Defender · Transmission & driveline
Six cylinder Defender powertrain control can stall the engine
NHTSA campaign 21V424000 lists the 2021 Land Rover Defender for a condition in which six cylinder Defender powertrain control can stall the engine.
What the reviewed source says
Start with the documented condition, not a parts guess.
NHTSA lists the 2021 Land Rover Defender in safety campaign 21V424000. The official record says: The Powertrain Control Module (PCM) may unexpectedly switch off while the vehicle is in motion, resulting in an engine stall with no warning. The stated safety consequence is: An engine stall can increase the risk of a crash. A make, model and year match does not confirm that a specific VIN is included or that the repair remains open.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- No warning before the stall
- Engine switches off while the vehicle is moving
Vehicles and scope
- 2021 Land Rover Defender
- Vehicles included in NHTSA campaign 21V424000
- VIN confirmation is required
Manufacturer position
What the official procedure directs
The Connected Diagnostic Services (CDS) and the Over-the-air (OTA) diagnostics functionality will be disabled, either by a dealer or through an OTA update, free of charge. Owner notification letters were mailed July 28, 2021. Owners may contact Land Rover customer service at 1-800-637-6837. Land Rover's number for this recall is N599.
Campaign 21V424000 is based on the recalled vehicle population and VIN, not a published mileage threshold. Mileage alone cannot confirm or exclude it.
Original evidence
Open the documents behind this page.
Repair paths and safe checks
Separate the diagnosis from the action.
Complete recall 21V424000
The Connected Diagnostic Services (CDS) and the Over-the-air (OTA) diagnostics functionality will be disabled, either by a dealer or through an OTA update, free of charge. Owner notification letters were mailed July 28, 2021. Owners may contact Land Rover customer service at 1-800-637-6837. Land Rover's number for this recall is N599.
A year and model match does not confirm VIN eligibility. Do not substitute an owner repair for an open safety recall.
What owners reported
Did this repair fix the same symptom on your car?
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Check the VIN and record what happened
Check the 17-character VIN with NHTSA or Land Rover. Save campaign 21V424000, any warning messages and a short description of when the symptom occurred for the service appointment.
Do not recreate a dangerous symptom for a photo or video.
What owners reported
Did this repair fix the same symptom on your car?
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Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Check recalls by VIN
A VIN search checks the displayed NHTSA records for an unrepaired safety recall associated with one vehicle. A model search shows only the wider campaign population.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Car shudders or vibrates
A useful diagnosis starts with when the vibration happens and where you feel it. The word shudder alone does not identify a transmission fault.
Read guide ↗More for this model
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