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Home >> Fiat >> 2017 >> 500L Trekking >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Occupant Restraint Controller (Orc) - DTCS B0100-49 To B0123-12 - 500L >> DTC Troubleshooting >> B0121-00 - Driver Side Crash Data - The Ecu Recognizes That A Driver Crash Event Occurred >> Diagnostic Test

Diagnostic Test

DTC EXPLANATION 

NOTE:

This DTC indicates that the vehicle has been in an accident and the Occupant Restraint Controller has fired the squibs in response. This code should only set after a squib deployment.

Determine if vehicle has been in a collision and replace effected squibs. If a collision and squib deployment is not suspected, the Occupant Restraint Controller would be suspect. Has the vehicle been in an accident?

Yes 

Replace effected squibs or the Occupant Restraint controller as required and retest.