B2433 Diagnostic Trouble Code

B2433 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 B2433 diagnostic trouble code may include:

Faulty O2 Sensor
Lack of power
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Fuel with a large percentage of sulfur will clog the DPF quickly

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. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition.

Process Tips

Diagnostic trouble code B2433 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 B2433.

Fortunately, B2433 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2433 Trouble Code For Specific Cars

B2433 Pininfarina Blmc Engine Shutoff Solenoid Malfunction
B2433 Lancia 2000 Speed Wheel Rear Input Signal Missing
B2433 Bentley Brooklands Battery Power Supply ECU Circuit Open
B2433 Mazda Millenia Turbocharger Boost Sensor B Circuit Malfunction
B2433 Ginetta G3 Open Power To Ground VCRM
B2433 Lancia Ypsilon Ii Steering Angle Sensor Circuit Open
B2433 Riley 9 Horn Output Relay Circuit Short to Battery