Fault code lookup

Results for “B121”

Fault codes 112

Results match keywords in the stored descriptions. Codes you typed are shown first.

CodeDescriptionBrandsSystem
B1210Right Front Exterior Antenna24Body
B1211Driver safety belt retractor pretensioner deployment control24Body
B1212Driver Seatbelt Buckle Pretensioner Deployment Control21Body
B1213PTC heating component fault22Body
B1214Passenger Seatbelt Retractor Pretensioner Deployment Control21Body
B1215External Memory Card22Body
B1216Tailgate latch close microswitch19Body
B1217Passive Key-in Ignition Output19Body
B1218No data flow in electronic stability program18Body
B1219Semi-automatic parking system electric power steering (EPS) status information failure19Body
Show 15 more matches on this page
CodeDescriptionBrandsSystem
B121AKeypad Illumination Output16Body
B121BIGBT 2 drive function failure12Body
B121CIGBT 3 drive function failure8Body
B121DRear HVAC Mode Control Input15Body
B121EMute Switch11Body
B121FAutomatic vehicle speed adjustment request status and received information failure11Body
B121000If abnormal Front Left Sensor operation signal is detected, BCM sets DTC2Body
B121001Die Sitzbelftung 'Sitzlehne' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor.1Body
B121019Right spindle motor overcurrent1Body
B121100If abnormal Front Left Sensor operation signal is detected, BCM sets DTC2Body
B121101Die Sitzbelftung 'Sitzflche' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor.2Body
B121111Driver Knee Airbag - Short To Ground1Body
B121112Driver Knee Airbag - Short To Battery1Body
B121113Driver Knee Airbag - High Resistance1Body
B121119Driver Knee Airbag - Cross Connect2Body
CodeDescriptionBrandsSystem
B121AKeypad Illumination Output16Body
B121BIGBT 2 drive function failure12Body
B121CIGBT 3 drive function failure8Body
B121DRear HVAC Mode Control Input15Body
B121EMute Switch11Body
B121FAutomatic vehicle speed adjustment request status and received information failure11Body
B121000If abnormal Front Left Sensor operation signal is detected, BCM sets DTC2Body
B121001Die Sitzbelftung 'Sitzlehne' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor.1Body
B121019Right spindle motor overcurrent1Body
B121100If abnormal Front Left Sensor operation signal is detected, BCM sets DTC2Body
B121101Die Sitzbelftung 'Sitzflche' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor.2Body
B121111Driver Knee Airbag - Short To Ground1Body
B121112Driver Knee Airbag - Short To Battery1Body
B121113Driver Knee Airbag - High Resistance1Body
B121119Driver Knee Airbag - Cross Connect2Body
Advanced: scanner vehicle and live-data matches

Vehicles 2

Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.

BrandModel / variantDetails
SmartAfter rectifying a Hall sensor fault (B1200 to , B1210) no normalizing was performedcode B1204
SprinterAfter rectifying a Hall sensor fault (B1200 to , B1210) no normalizing was performedcode B1204

Live data 0

No matching live-data parameters.

These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.

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