Fault Code B0855
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0855
Start Inhibit Circuit
This code indicates a malfunction in the Start Inhibit circuit. This circuit is part of security systems (e.g., immobilizer) and prevents the vehicle from starting under certain conditions. A fault will prevent starting, even if the key is correct.
Part Details
Part Name
Start Inhibit Circuit
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪700 - ₪2500
Engine Location
Engine Control Module (ECM)/BCM
Symptoms
- Vehicle unable to start
- Starter not engaging at all
- Security light on/flashing
- Start System messages on dashboard
Possible Causes
- 1Immobilizer fault
- 2BCM/ECM failure
- 3Broken/shorted wiring in the start circuit
- 4Ignition switch issue
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