Fault Code B0825
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0825
Immobilizer System Malfunction
This code indicates a general malfunction in the immobilizer system. This fault prevents the vehicle from starting as the security system is not functioning correctly. *Repair only at a qualified garage.*
Part Details
Part Name
Immobilizer system
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪1000 - ₪4000+
Engine Location
Vehicle control units
Symptoms
- Vehicle not starting at all
- Security light constantly on/flashing
- Keys not recognized
- Poor communication between security components
Possible Causes
- 1Immobilizer control module (BCM/ECM) failure
- 2Complex wiring issues
- 3Software or coding fault
- 4Serious electrical short in the system
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