Powertrain
generic / SAE
P0633
Immobiliser Key Not Programmed
The immobiliser system rejects the current key because it is not programmed to this vehicle. Engine start is inhibited.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / 33
Possible causes
- Key not programmed to vehicle high
- Immobiliser module fault low
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–400 €
- Estimated time: 0.3–1.5 h
- Component: immobiliser
- Component: ecm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012