BodyB2540

Caution

Severity: Caution - get it checked when you can

rear foglamps control circuit

11 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 11

Brand	Code	Description	System
Daewoo	B2540	Torque Signal Malfunction Brand	Body
GM	B2540	rear foglamps control circuit Brand	Body
Holden	B2540	Rear Fog Lamps Control Circuit Brand	Body
Mahindra	B2540	RPAS Sensor Rear Center Left No Signal Communication Brand	Body
Mitsubishi	B2540	CPU fault Brand	Body
Opel	B2540	rear foglamps control circuit Brand	Body
Peugeot	B2540	No description available	Body
Proton	B2540	CPU fault Brand	Body
Saab	B2540	rear foglamps control circuit Brand	Body
Subaru	B2540	No description available	Body
Toyota	B2540	No description available	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 B254xx codes.