B12BE Diagnostic Trouble Code

B12BE is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a B12BE diagnostic trouble code may include:

Carbon Buildup on O2 Sensor
Malfunction Indicator Lamp (MIL) illuminated
Hesitation upon acceleration
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
Some aftermarket accessories and performance modifications

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble.

Process Tips

Diagnostic trouble code B12BE is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B12BE.

Fortunately, B12BE is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B12BE Trouble Code For Specific Cars

B12BE Nissan 370z CID Low
B12BE Jaguar Xjr Seat Driver Occupied Input Circuit Short To Battery
B12BE Delage D Hydraulic Oil Temperature Sensor Circuit Intermittent
B12BE Peugeot 304 EGI Mini - MAF Failed Short Circuit
B12BE Moretti Panoramica Boost Calibration Fault
B12BE Mini Paceman ASM Mode Circuit Intermittent
B12BE Renault Kwid GPS Receiver Error