BodyB2750

Caution

Severity: Caution - get it checked when you can

Horn relay coil circuit

10 brands affected · Description from GM 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 10

Brand	Code	Description	System
Daewoo	B2750	Pump Motor Or Relay Fault Brand	Body
GM	B2750	Horn relay coil circuit Brand	Body
Holden	B2750	Horn Relay Secondary Circuit Brand	Body
Honda	B2750	No description available	Body
Maserati	B2750	Driver Side Seat Mounted Squib 1 Control-Component or System Operating Conditions Brand	Body
Mitsubishi	B2750	No description available	Body
Nissan	B2750	No description available	Body
Opel	B2750	Horn relay coil circuit Brand	Body
Peugeot	B2750	No description available	Body
Saab	B2750	Horn Relay Coil Circuit 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.

5Related codes

Browse Bxxx codes or B275xx codes.