Fault code lookup

Results for “B101”

Fault codes 78

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

CodeDescriptionBrandsSystem
B1011125 V power circuit short to battery (+)1Body
B10112ATemperature sensor 2 of electric expansion valve 'Heat exchanger for cooling the high-voltage battery' has a malfunction. There is no signal change.1Body
B101200GPS antenna circuit short1Body
B101211Ambient temperature sensor circuit short to battery (+)1Body
B101215Ambient temperature sensor circuit open or short to ground1Body
B101300Wi-Fi access point error1Body
B101311Water sensor circuit short to ground1Body
B101315Water sensor circuit open or short to battery (+)1Body
B101400Local battery voltage too high1Body
B101411Air Quality Sensor (AQS) circuit short to ground1Body
Show 15 more matches on this page
CodeDescriptionBrandsSystem
B101412Blower motor circuit short to battery (+)1Body
B101415Air Quality Sensor (AQS) circuit open or short to battery (+)1Body
B101416Blower motor circuit voltage low1Body
B101417Blower motor circuit voltage high1Body
B10144ABlower motor fault1Body
B10144BBlower motor overheating1Body
B101491Temperature sensor 1 of the front electric expansion valve has a malfunction. The parameter is outside the permissible range.1Body
B101500Built-in battery missing1Body
B101516IGN1 voltage low1Body
B101517IGN1 voltage high1Body
B10152ATemperature sensor 2 of the front electric expansion valve has a malfunction. There is no signal change.1Body
B101600Built-in battery not charging1Body
B101711Duct sensor circuit short to ground1Body
B101715Duct sensor circuit open or short to battery (+)1Body
B101800Built-in battery temperature high1Body
CodeDescriptionBrandsSystem
B101412Blower motor circuit short to battery (+)1Body
B101415Air Quality Sensor (AQS) circuit open or short to battery (+)1Body
B101416Blower motor circuit voltage low1Body
B101417Blower motor circuit voltage high1Body
B10144ABlower motor fault1Body
B10144BBlower motor overheating1Body
B101491Temperature sensor 1 of the front electric expansion valve has a malfunction. The parameter is outside the permissible range.1Body
B101500Built-in battery missing1Body
B101516IGN1 voltage low1Body
B101517IGN1 voltage high1Body
B10152ATemperature sensor 2 of the front electric expansion valve has a malfunction. There is no signal change.1Body
B101600Built-in battery not charging1Body
B101711Duct sensor circuit short to ground1Body
B101715Duct sensor circuit open or short to battery (+)1Body
B101800Built-in battery temperature high1Body
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
BMWB1018*1B, X2207*1Bcode B1018
BMWB1019*1B, B105, X21*1Bcode B1019

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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