P0BA6 Diagnostic Trouble Code

P0BA6 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 P0BA6 diagnostic trouble code may include:

The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
Faulty or damaged wiring
Hesitation upon acceleration
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Defective ECU strategies or components will prevent proper regeneration

Repair Processes :

It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. 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.

Process Tips

Diagnostic trouble code P0BA6 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 P0BA6.

Fortunately, P0BA6 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0BA6 Trouble Code For Specific Cars

P0BA6 Chevrolet Optra EGRA Circuit Malfunction
P0BA6 Hyundai Neos
P0BA6 Prince Alsild Fuel Rail Pressure Sensor Circuit Low Input
P0BA6 Ferrari 348 Intake Air Temperature Circuit High Input
P0BA6 Nissan Pixo Cooling Fan Power/Ground Circuit Malfunction
P0BA6 Siata 1250 Intake Air Temperature Circuit Malfunction
P0BA6 Porsche Panamericana Fuel Pump Speed Control Circuit Malfunction