Fault code lookup

Results for “B122”

Fault codes 57

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

CodeDescriptionBrandsSystem
B1220Hydraulic Proportional Valve22Body
B1221Internal left front parking assist sensor failure23Body
B1222External left front parking assist sensor failure22Body
B1223Internal left rear parking assist sensor failure21Body
B1224External left rear parking assist sensor failure20Body
B1225Internal right front parking assist sensor failure21Body
B1226External right front parking assist sensor failure20Body
B1227Passenger Restraints Pressure Sensor17Body
B1228Driver Seatbelt Lap Pretensioner Deployment Control15Body
B1229Left seat back temperature sensor15Body
Show 15 more matches on this page
CodeDescriptionBrandsSystem
B122ARight seat cushion blower speed sensor11Body
B122BRight seat back blower speed sensor11Body
B122CLeft seat cushion blower speed sensor10Body
B122DLeft seat back blower speed sensor11Body
B122EFront Passenger Switch Indicator Light Cannot Close Fault11Body
B122FReverse Position Switch Circuit10Body
B122049Voltage sensor 2 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122064Voltage sensor 2 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122149Temperature sensor 1 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122164Temperature sensor 1 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122249Temperature sensor 2 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122264Temperature sensor 2 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122349Temperature sensor 3 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122364Temperature sensor 3 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122449Temperature sensor 4 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
CodeDescriptionBrandsSystem
B122ARight seat cushion blower speed sensor11Body
B122BRight seat back blower speed sensor11Body
B122CLeft seat cushion blower speed sensor10Body
B122DLeft seat back blower speed sensor11Body
B122EFront Passenger Switch Indicator Light Cannot Close Fault11Body
B122FReverse Position Switch Circuit10Body
B122049Voltage sensor 2 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122064Voltage sensor 2 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122149Temperature sensor 1 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122164Temperature sensor 1 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122249Temperature sensor 2 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122264Temperature sensor 2 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122349Temperature sensor 3 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
B122364Temperature sensor 3 of the refrigerant compressor has a malfunction. There is an implausible signal.1Body
B122449Temperature sensor 4 of the refrigerant compressor has a malfunction. There is an internal electrical fault.1Body
Advanced: scanner vehicle and live-data matches

Vehicles 5

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
Mercedes-BenzENV_B122B09_EDR01_Frequency_Count
Mercedes-BenzENV_B122B09_EDR01_Operation_Cycle_Count
Mercedes-BenzENV_B122B09_EDR01_Most_Recent_Odometer_Value
Mercedes-BenzEnable_DEF@FU_222.Basisdiagnose_RelativeURL@2b12237d%43145
PeugeotMP DRIVER SEAT TRACK POSITION SENSOR STATUS STPS B1226code B1266

Live data 3

BrandParameterUnitsMinMax
Mercedes-BenzENV_B122B09_EDR01_Frequency_Count---
Mercedes-BenzENV_B122B09_EDR01_Operation_Cycle_Count---
Mercedes-BenzENV_B122B09_EDR01_Most_Recent_Odometer_Value---

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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