BodyB1000

Caution

Severity: Caution - get it checked when you can

ECU Malfunction

36 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

1What it means in plain English

A body control module has reported an internal fault, which can affect functions such as central locking, windows, or lights.

2Common causes

Internal body control module fault
Low or unstable battery voltage
Power or ground connection problem
Water or corrosion damage
Damaged wiring or connector

3Can I drive?

Caution · drive with care

Usually safe to drive, but some convenience or safety functions may not work. Have it checked, especially if lights or the horn are affected.

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 36

Brand	Code	Description	System
BAIC Motor	B1000	Internal Fault Brand	Body
Mercedes-Benz	B1000	ECU Malfunction SAE	Body
BMW	B1000	ECU Malfunction SAE	Body
BYD	B1000	Inside temp.sensor performance Brand	Body
Chery	B1000	Internal fault Brand	Body
Daewoo	B1000	ECU Malfunction SAE	Body
Daihatsu	B1000	Sensor unit abnormal Brand	Body
DFFS	B1000	Calibration download failure Brand	Body
DFFX	B1000	Inside temp.sensor performance Brand	Body
DFXK	B1000	No failure Brand	Body
Geely	B1000	Inside temp.sensor performance Brand	Body
GM	B1000	ECU Malfunction SAE	Body
Great Wall	B1000	Illegal error Brand	Body
Hafei	B1000	Inside temp.sensor performance Brand	Body
Holden	B1000	ECU Malfunction SAE	Body
Honda	B1000	ECU Malfunction SAE	Body
Hyundai	B1000	ECU Malfunction SAE	Body
Isuzu	B1000	ECU Malfunction SAE	Body
Land Rover	B1000	Right hood hinge deployment control Brand	Body
Mahindra	B1000	Outside Temperature Sensor Short to Battery Brand	Body
Maserati	B1000	ECU Malfunction SAE	Body
Mitsubishi	B1000	A/C control panel comm.error Brand	Body
Opel	B1000	ECU Malfunction SAE	Body
Perodua	B1000	Sensor unit abnormal Brand	Body
Peugeot	B1000	ECU Malfunction SAE	Body
Proton	B1000	A/C control panel comm.error Brand	Body
Saab	B1000	ECU Malfunction SAE	Body
MG (SAIC)	B1000	ECU MalFunction Brand	Body
Smart	B1000	ECU Malfunction SAE	Body
Sprinter	B1000	ECU Malfunction SAE	Body
Subaru	B1000	ECU Malfunction SAE	Body
Suzuki	B1000	Immobilizer Control Module Internal Failure Brand	Body
SWM Motor	B1000	trouble-free Brand	Body
Tata	B1000	Battery Voltage High Brand	Body
Toyota	B1000	Calibration download failure Brand	Body
Volkswagen	B1000	N95 - Airbag igniter on driver side 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 B1000 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	B100000	No description available	Body
Smart	B100000	No description available	Body
SsangYong	B100000	Steering column tilt motor over load(over current) Brand	Body
SsangYong	B100011	Duct sensor circuit short to ground Brand	Body
SsangYong	B100015	Duct sensor circuit open or short to battery (+) Brand	Body
Volkswagen	B10001A	Driver airbag igniter, resistance too low Brand	Body
Hyundai	B100051	No description available	Body
Volkswagen	B100053	Entering a DTC Brand	Body

6Related codes

Browse Bxxx codes or B100xx codes.