B3577 Diagnostic Trouble Code

B3577 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 B3577 diagnostic trouble code may include:

Faulty PCM
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Poor 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
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. 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. 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.

Process Tips

Diagnostic trouble code B3577 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 B3577.

Fortunately, B3577 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B3577 Trouble Code For Specific Cars

B3577 Abarth Otr 1000 A/C Post Heater Sensor Circuit Failure
B3577 Bmw 525 Chime Input Request Circuit Short To Battery
B3577 Suzuki Swift Iii Mirror Driver Right/Left Motor Stalled
B3577 Porsche Coupe Fuel Pump Monitor Circuit Low Input
B3577 Nissan Elgrand Clutch Pedal Switch B Circuit High
B3577 Nissan Lafesta Cold Start Injector 1 Malfunction
B3577 Seat Alhambra Injector Circuit Malfunction - Cylinder 7