Powertrain
generic / SAE
P0648
Immobilizer Lamp Control Circuit
A circuit fault on the control output to the immobiliser indicator lamp - the lamp cannot be turned on or off as expected.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / 48
Possible causes
- Open in lamp or wiring high
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: easy
- DIY: possible
- Estimated cost: 40–200 €
- Estimated time: 0.3–1 h
- Component: immobilizer lamp
- MIL / check engine light
Sources
References
sae:J2012