P0BD2 Diagnostic Trouble Code

P0BD2 is a kind of OBD-II Diagnostic P-Powertrain 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 P0BD2 diagnostic trouble code may include:

Poor acceleration
Cherry red hot catalytic converter
Possible spark knock (detonation / pre-ignition)
Engine surge

Possible Causes :

Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)
Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve. 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.

Process Tips

Diagnostic trouble code P0BD2 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 P0BD2.

Fortunately, P0BD2 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0BD2 Trouble Code For Specific Cars

P0BD2 Nissan Tiida Cylinder #2 High To Low Side Short
P0BD2 Mg Rv13 Air Temperature Internal Sensor Circuit Open
P0BD2 Toyota 105 Multiple Gears Engaged
P0BD2 Rover 45
P0BD2 Volvo C70 SCP (J1850) Invalid or Missing Data for Engine RPM
P0BD2 Alfa Romeo Mito Air Bag Crash Sensor #1 Ground Circuit Failure
P0BD2 Chevrolet Chevette Driver Power Window Up Circuit Short To Ground