Fault code lookup

BodyB1204

Caution

Severity: Caution - get it checked when you can

Fuel Sender Circuit Short To Battery

22 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 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

  1. Wiring or connector fault
  2. Faulty sensor or switch
  3. Water or corrosion in a connector
  4. Control module fault
  5. 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 22

BrandCodeDescriptionSystem
Ashok Leyland CVB1204Fuel Sender Circuit Short To Battery SAEBody
Mercedes-BenzB1204Fuel Sender Circuit Short To Battery SAEBody
CheryB1204Window FR BrandBody
ChryslerB1204Fuel Sender Circuit Short To Battery SAEBody
DaewooB1204Fuel Sender Circuit Short To Battery SAEBody
DFFSB1204Matrix screen ECU failure BrandBody
GeelyB1204Driver Igniter Resistance Low BrandBody
GMB1204Fuel Sender Circuit Short To Battery SAEBody
HoldenB1204Electronic Control Unit BrandBody
HyundaiB1204Fuel Sender Circuit Short To Battery SAEBody
Land RoverB1204Fuel Sender Circuit Short To Battery SAEBody
MitsubishiB1204PS.ABG indicator circuit low BrandBody
OpelB1204Fuel Sender Circuit Short To Battery SAEBody
PeugeotB1204Fuel Sender Circuit Short To Battery SAEBody
ProtonB1204PS.ABG indicator circuit low BrandBody
SaabB1204Fuel Sender Circuit Short To Battery SAEBody
MG (SAIC)B1204Battery Over Voltage BrandBody
SmartB1204After rectifying a Hall sensor fault (B1200 to, B1210) no normalizing was performed BrandBody
SprinterB1204After rectifying a Hall sensor fault (B1200 to, B1210) no normalizing was performed BrandBody
SuzukiB1204Front Right sensor malfunction BrandBody
TataB1204Front Wash Motor Output Short To Battery/ Open BrandBody
ToyotaB1204Dot matrix display ECU failure BrandBody

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 13

These 7-character codes are manufacturer-specific variants of B1204 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongB120400CAN: communication interruption(bus off) BrandBody
Mercedes-BenzB120401Das Heizkissen 'Sitzwangen der Sitzlehne' hat Funktionsstörung. Es liegt ein allgemeiner elektrischer Fehler vor. BrandBody
MahindraB120401Left Lap Pretensioner Squib - Cross Connect BrandBody
SsangYongB120409RH Spindle Hall Sensor Fail BrandBody
MahindraB120411Passenger Lap Pretensioner Squib - Short To Ground BrandBody
MahindraB120412Passenger Lap Pretensioner Squib - Short To Battery BrandBody
MahindraB120413Passenger Lap Pretensioner Squib - High Resistance BrandBody
MahindraB120419Passenger Lap Pretensioner Squib - Cross Connect BrandBody
MahindraB12041APassenger Lap Pretensioner Squib - Low Resistance BrandBody
MahindraB12041BLeft Lap Pretensioner Squib - High Resistance BrandBody
Mercedes-BenzB12044BDas Heizkissen 'Sitzwangen der Sitzlehne' hat Funktionsstörung. Es liegt ein Fehler aufgrund Übertemperatur vor. BrandBody
MahindraB120455Passenger Lap Pretensioner Configuration Error BrandBody
MahindraB120464Left Lap Pretensioner Unexpected Squib BrandBody

6Related codes

Browse Bxxx codes or B120xx codes.

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