BodyB0042

Caution

Severity: Caution - get it checked when you can

Third Row Left Frontal Stage 2 Deployment Control

26 brands affected · Generic SAE J2012 description.

Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list

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

Wiring or connector fault
Faulty sensor or switch
Water or corrosion in a connector
Control module fault
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 26

Brand	Code	Description	System
Ashok Leyland CV	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
BAIC Motor	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
Mercedes-Benz	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
BYD	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
Chery	B0042	Front left airbag ignition circuit open Brand	Body
Daewoo	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
DFFS	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
DFFX	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
DFXK	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
EOBD	B0042	Third row left frontal stage 2 deployment control Brand	Body
Geely	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
GM	B0042	left front/driver frontal deployment loop circuit Brand	Body
Great Wall	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
Hafei	B0042	Third Row Left Frontal Stage 2 Deployment Control Brand	Body
Holden	B0042	Driver Steering Wheel Air Bag Deployment Loop Low Resistance Brand	Body
Hyundai	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
Isuzu	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
Land Rover	B0042	Third row_ left frontal stage 2 deployment control Brand	Body
Mahindra	B0042	Wrong TxP Brand	Body
Opel	B0042	left front/driver frontal deployment loop circuit Brand	Body
Peugeot	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
Saab	B0042	left front/driver frontal deployment loop circuit Brand	Body
MG (SAIC)	B0042	Lumbar Pump Power Inoperative Brand	Body
Sprinter	B0042	Third Row Left Frontal Stage 2 Deployment Control SAE	Body
SWM Motor	B0042	Switch 1 resistance value is wrong Brand	Body
Toyota	B0042	Third row left frontal stage 2 deployment control Brand	Body

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 1

These 7-character codes are manufacturer-specific variants of B0042 and may be reported by some scan tools.

Brand	Code	Description	System
Porsche	B004205	No fault memories other than and B004305 may be stored. When the process is complete, there must be no active fault codes indicating faults in the calibration. Passive fault codes can be cleared Brand	Body

6Related codes

Browse Bxxx codes or B004xx codes.