BodyB1304

Caution

Severity: Caution - get it checked when you can

Seat lift control relay open fault

30 brands affected · Description from Toyota data.

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

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

Do not assume this code is safe to drive. If it concerns the brakes, brake vacuum, charging/alternator, engine oil or coolant, have it diagnosed before driving. Airbags or seat belts may not work in a crash, and a brake or charging fault can leave the car unsafe or stranded. For convenience systems (windows, locks, climate), have it checked when convenient.

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 30

Brand	Code	Description	System
Ashok Leyland CV	B1304	No description available	Body
Mercedes-Benz	B1304	No description available	Body
BYD	B1304	Topstack position sensor Brand	Body
Chery	B1304	No key detected Brand	Body
Chrysler	B1304	No description available	Body
Daewoo	B1304	No description available	Body
DFFS	B1304	Evaporator sensor failure Brand	Body
DFFX	B1304	Topstack position sensor Brand	Body
Ford	B1304	07 ayarlandı Brand	Body
Geely	B1304	Topstack position sensor Brand	Body
GM	B1304	No description available	Body
Great Wall	B1304	Topstack position sensor Brand	Body
Hafei	B1304	Topstack position sensor Brand	Body
Holden	B1304	Right Center Side Impact Sensor Brand	Body
Hyundai	B1304	No description available	Body
Isuzu	B1304	No description available	Body
Land Rover	B1304	Electronic power assisted steering system Brand	Body
Mahindra	B1304	IGN output failure Brand	Body
Mitsubishi	B1304	Topstack position sensor Brand	Body
Opel	B1304	No description available	Body
Peugeot	B1304	No description available	Body
Proton	B1304	Topstack position sensor Brand	Body
Saab	B1304	No description available	Body
Maxus (SAIC)	B1304	Right camera fault Brand	Body
MG (SAIC)	B1304	Right camera fault Brand	Body
Sprinter	B1304	No description available	Body
Suzuki	B1304	Air Bag Deactivation Switch Circuit Malfunction Brand	Body
Tata	B1304	USB Box Internal Bus Mulfunction Brand	Body
Toyota	B1304	Seat lift control relay open fault Brand	Body
Volkswagen	B1304	J854 - Control unit for front left belt tensioner 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 8

These 7-character codes are manufacturer-specific variants of B1304 and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	B130400	Open circuit in wiper high/low circuit Brand	Body
Volkswagen	B130404	Left front seat belt tensioner control module, faulty Brand	Body
Volkswagen	B130416	Left front seat belt tensioner control module, voltage too low Brand	Body
Volkswagen	B130417	Left front seat belt tensioner control module, voltage too high Brand	Body
Volkswagen	B13044B	Left front seat belt tensioner control module, overload Brand	Body
Volkswagen	B130455	Left front seat belt tensioner control module, not configured Brand	Body
Volkswagen	B1304F0	Left front seat belt tensioner control module, no tensioning due to undervoltage Brand	Body
Volkswagen	B1304F1	Left front seat belt tensioner control module, no tensioning due to excess voltage Brand	Body

6Related codes

Browse Bxxx codes or B130xx codes.