B14BD Diagnostic Trouble Code

B14BD 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 B14BD diagnostic trouble code may include:

Reduction in engine performance, especially at low RPM levels
Vacuum leak on the engine
Diminished fuel efficiency
Engine surge

Possible Causes :

Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
An air leak forward of the DPF will change the sensor readings resulting in the code
Dirty air cleaner element Damaged DPF

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B14BD 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 B14BD.

Fortunately, B14BD is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B14BD Trouble Code For Specific Cars

B14BD Dodge Challenger Ignition Coil C Secondary Circuit Malfunction
B14BD Iso Fidia
B14BD Bmw Karmann Clutch Actuator Circuit / Open
B14BD Renault Express Generator Control Circuit Malfunction
B14BD Ferrari Superamerica Keyless Entry Circuit Open
B14BD Chevrolet Alero Driver Door Ajar Circuit Failure
B14BD Lexus Ls TCM Power Relay Sense Circuit Range/Performance