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 Mercedes A 160 ABS Acceleration Switch Circuit Failure
B2744 Subaru Impreza 3 Left Rear Sensor Circuit Failure
B2744 Weber Sportscars F1 SCP (J1850) Invalid or Missing Data for Mirrors
B2744 Durkopp 20 Hp Immobilizer ID Does Not Match
B2744 Vauxhall Astra J PRC Solenoid Circuit Malfunction
B2744 Daihatsu Terios 2 Glow Plug/Heater Indicator Circuit Malfunction
B2744 Monteverdi 400 Battery Power Relay Circuit Open