Fault code lookup

BodyB1005

Caution

Severity: Caution - get it checked when you can

N251 - Driver side curtain airbag igniter

29 brands affected · Description from Volkswagen data.

Key terms: Control module: a small computer that runs one part of the car

Safety: This code relates to the airbag or seat-belt restraint system. An airbag may not deploy in a crash.

1What it means in plain English

A body system has a fault. Depending on the make, this range can include airbags and seat belts, windows, locks and climate control, and also charging, brake, oil or coolant sensors.

2Common causes

  1. Wiring or connector fault
  2. Faulty sensor or switch
  3. Water or corrosion in a connector
  4. Control module fault
  5. Low battery voltage

3Can I drive?

Caution · drive with care

The airbag may not deploy in a crash. Have it checked by a qualified technician; do not work on airbag wiring yourself.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 29

BrandCodeDescriptionSystem
Mercedes-BenzB1005No description available Body
BYDB1005Rear inside TEMP.SNS. performance BrandBody
CheryB1005Line K short to ground BrandBody
DaewooB1005No description available Body
DFFSB1005Circuit cross fault BrandBody
DFFXB1005Rear inside TEMP.SNS. performance BrandBody
GeelyB1005Rear inside TEMP.SNS. performance BrandBody
GMB1005No description available Body
Great WallB1005K-line Short to Ground BrandBody
HafeiB1005Rear inside TEMP.SNS. performance BrandBody
HoldenB1005Rear Fog Lamps Circuit BrandBody
HondaB1005MICU lost communication with Relay Control Module BrandBody
IsuzuB1005No description available Body
Land RoverB1005Left frontal impact classification sensor BrandBody
MahindraB1005RPAS Sensor Rear Center Right No signal communication (RRC) BrandBody
MaseratiB1005No description available Body
MitsubishiB1005Rear inside TEMP.SNS. performance BrandBody
OpelB1005No description available Body
PeugeotB1005No description available Body
ProtonB1005Rear inside TEMP.SNS. performance BrandBody
SaabB1005No description available Body
MG (SAIC)B1005CL Sensor connection Cable was Fault BrandBody
SmartB1005No description available Body
SprinterB1005No description available Body
SubaruB1005No description available Body
SuzukiB1005CONTROL UNIT BrandBody
TataB1005'Reset Switch Stuck BrandBody
ToyotaB1005No description available Body
VolkswagenB1005N251 - Driver side curtain airbag igniter BrandBody

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 9

These 7-character codes are manufacturer-specific variants of B1005 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongB100500CAN communication: dashboard signal not received (region specification information) BrandBody
Mercedes-BenzB100502Der Feuchte- und Temperatursensor 2 hat Funktionsstörung. There is a general signal fault. BrandBody
SsangYongB100509Ionizer error BrandBody
SsangYongB10051CBattery voltage low BrandBody
Mercedes-BenzB100528Der Feuchte- und Temperatursensor 2 hat Funktionsstörung. The signal offset is outside the permissible range. BrandBody
Mercedes-BenzB10052ADer Feuchte- und Temperatursensor 2 hat Funktionsstörung. There is no signal change. BrandBody
HyundaiB100552When setting variant coding, if the Air bag option is added to the vehicle not equipped with Air bag, sets DTC BrandBody
HyundaiB100555When setting variant coding, if the Air bag option is not added to the vehicle equipped with Air bag, sets DTC BrandBody
Mercedes-BenzB100593ISM Notpfad defekt BrandBody

6Related codes

Browse Bxxx codes or B100xx codes.

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