B222D Diagnostic Trouble Code

B222D 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 B222D diagnostic trouble code may include:

Poor acceleration
Cherry red hot catalytic converter
Possible spark knock (detonation / pre-ignition)
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
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.

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.

Process Tips

Diagnostic trouble code B222D 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 B222D.

Fortunately, B222D is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B222D Trouble Code For Specific Cars

B222D Lancia Gamma Speed Wheel Sensor RF Circuit Open
B222D Mercedes-benz Vito Air Suspension Height Sensor Power Circuit Short To Ground
B222D Bmw 3200 Cellular Phone Handset Not Present
B222D Chrysler Crossfire Engine Speed Input Circuit Range/Performance
B222D Nissan Nv200 Control Module VSS Output "B" Malfunction
B222D Lancia Lybra Speed Wheel Sensor RR Input Open Circuit
B222D Mitsubishi Tredia Bank 2 Fuel Control Shifted Lean