B1814 Diagnostic Trouble Code

B1814 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 B1814 diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Hesitation upon acceleration

Possible Causes :

A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Dirty air cleaner element Damaged DPF
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B1814 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 B1814.

Fortunately, B1814 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B1814 Trouble Code For Specific Cars

B1814 Ford Econoline Manually Shifted Automatic (MSA) Sw Circuit Malf
B1814 Daihatsu Opti Glow Plug Circuit High Side Low Input
B1814 Bertone Nivola Brake Pedal Input Circuit Battery Short
B1814 Mercedes-benz 230 Air Bag Passenger Circuit Open
B1814 Lorraine 2 Hp Timing Solenoid Circuit Malfunction
B1814 Mazda Sentia A/C Clutch Magnetic Control Circuit Failure
B1814 Facel Vega Hk500 Injector Circuit Malfunction