Fault code lookup

Results for “B121”

Fault codes 112

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

CodeDescriptionBrandsSystem
B12111ADriver Knee Airbag - Low Resistance1Body
B12111BDriver Knee Airbag - High Resistance1Body
B121155Driver Knee Airbag Configuration Error1Body
B121164Driver Knee Airbag Unexpected Squib1Body
B121200If abnormal Front Center Right Sensor operation signal is detected, BCM sets DTC2Body
B121207Der Stellmotor für Luftverteilungsklappe vorn links hat Funktionsstörung. Es liegt ein mechanischer Fehler vor.2Body
B121211Left Side Pressure Sensor Short To Ground1Body
B121212Left Side Pressure Sensor Short To Battery1Body
B121213Left Side Pressure Sensor - Open Circuit1Body
B12122BLeft Side Pressure Sensor Short To Another Remote Sensor1Body
Show 15 more matches on this page
CodeDescriptionBrandsSystem
B121249The actuator motor for the left front air distribution flap has a malfunction. There is an internal electrical fault.1Body
B121251Der Stellmotor für Luftverteilungsklappe vorn links hat Funktionsstörung. Das Bauteil ist nicht programmiert.1Body
B121255Left Side Pressure Sensor Configuration Error1Body
B121264Left Side Pressure Sensor Configuration Error1Body
B121281Left Side Pressure Sensor Communication Error1Body
B121287Der Stellmotor für Luftverteilungsklappe vorn links hat Funktionsstörung. Botschaft fehlt.2Body
B121296Left Side Pressure Sensor Internal Error1Body
B121300If abnormal Front Right Sensor operation signal is detected, BCM sets DTC3Body
B121307Closing fault1Body
B121312ACN Battery1Body
B121314ACN Ground Or Open1Body
B121349The actuator motor for the right front air distribution flap has a malfunction. There is an internal electrical fault.1Body
B121351Der Stellmotor für Luftverteilungsklappe vorn rechts hat Funktionsstörung. Das Bauteil ist nicht programmiert.1Body
B121387Der Stellmotor für Luftverteilungsklappe vorn rechts hat Funktionsstörung. Botschaft fehlt.1Body
B121400If abnormal Rear Left Sensor operation signal is detected, BCM sets DTC2Body
CodeDescriptionBrandsSystem
B121249The actuator motor for the left front air distribution flap has a malfunction. There is an internal electrical fault.1Body
B121251Der Stellmotor für Luftverteilungsklappe vorn links hat Funktionsstörung. Das Bauteil ist nicht programmiert.1Body
B121255Left Side Pressure Sensor Configuration Error1Body
B121264Left Side Pressure Sensor Configuration Error1Body
B121281Left Side Pressure Sensor Communication Error1Body
B121287Der Stellmotor für Luftverteilungsklappe vorn links hat Funktionsstörung. Botschaft fehlt.2Body
B121296Left Side Pressure Sensor Internal Error1Body
B121300If abnormal Front Right Sensor operation signal is detected, BCM sets DTC3Body
B121307Closing fault1Body
B121312ACN Battery1Body
B121314ACN Ground Or Open1Body
B121349The actuator motor for the right front air distribution flap has a malfunction. There is an internal electrical fault.1Body
B121351Der Stellmotor für Luftverteilungsklappe vorn rechts hat Funktionsstörung. Das Bauteil ist nicht programmiert.1Body
B121387Der Stellmotor für Luftverteilungsklappe vorn rechts hat Funktionsstörung. Botschaft fehlt.1Body
B121400If abnormal Rear Left Sensor operation signal is detected, BCM sets DTC2Body
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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