What does code P1622 mean on Land Rover vehicles?
The immobilizer system detects repeated incorrect ECM security code attempts, blocking engine start.
OBD-II Code Land Rover
P1622 — Land Rover — Repeated Wrong ECM Security Code Fault
The immobilizer system detects repeated incorrect ECM security code attempts, blocking engine start.
Common symptoms
- No start condition
- immobilizer active
Possible causes
- Incorrect key coding
- immobilizer module fault
- ECM security mismatch
Initial recommendation
Reprogram keys and immobilizer system using authorized diagnostic tools.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Land Rover code P1622 with your vehicle's actual symptoms for more complete diagnostic guidance.
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