BodyB120C

Caution

Severity: Caution - get it checked when you can

Heater For Windshield Mounted Sensor

9 brands affected · Description from Land Rover 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 9

Brand	Code	Description	System
Mercedes-Benz	B120C	No description available	Body
Chery	B120C	Yaw rate sensor (only for ESP (electronic stability program), supplier eol mode) calibration lost Brand	Body
Geely	B120C	Driver Seatbelt Pretensioner Igniter Resistance Low Brand	Body
Land Rover	B120C	Heater For Windshield Mounted Sensor Brand	Body
Mitsubishi	B120C	Security alarm siren FlatBattery Brand	Body
Peugeot	B120C	No description available	Body
Proton	B120C	Security alarm siren FlatBattery Brand	Body
SWM Motor	B120C	mode damper feedback circuit is open or short circuit to the power supply Brand	Body
Tata	B120C	Wiper Relay Circuit Short To Battery 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 4

These 7-character codes are manufacturer-specific variants of B120C and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	B120C01	Der Temperatursensor 'Mitte der Sitzflche' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor. Brand	Body
Mahindra	B120C1A	Passenger airbag switch-low resistance Brand	Body
Mahindra	B120C1B	Passenger airbag switch-high resistance Brand	Body
Mahindra	B120C1E	Passenger airbag switch-invalid resistance Brand	Body

6Related codes

Browse Bxxx codes or B120xx codes.