Code result
P0633
Immobiliser Key Not Programmed
High severity
What it means
The immobiliser system rejects the current key because it is not programmed to this vehicle. Engine start is inhibited.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Key not programmed to vehicle
highOne of the most commonly reported causes for this code — check this first.
Immobiliser module fault
lowLess common, but worth ruling out after the more likely causes.
Related help
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