B2744 Diagnostic Trouble Code

B2744 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 B2744 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.
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
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.
An air leak forward of the DPF will change the sensor readings resulting in the code

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 B2744 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 B2744.

Fortunately, B2744 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2744 Trouble Code For Specific Cars

B2744 Honda Quint Rear Fog Lamp Switch Circuit Failure
B2744 Panoz Aiv Roadster Driver Power Window Up Circuit Short To Battery
B2744 Nash 400 Catalyst System Efficiency Below Threshold (Bank 1)
B2744 Skoda 1202 Key Off Voltage High
B2744 Gmc Sierra Park Brake Switch # 1 Applied Circuit Failure
B2744 Lorraine 30 Hp Tire / Axle Ratio Out of Acceptable Range
B2744 Peugeot 604 ELC System Closure Valve Flow Fault