P01CB Diagnostic Trouble Code

P01CB 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 P01CB diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

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

Process Tips

Diagnostic trouble code P01CB 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 P01CB.

Fortunately, P01CB is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P01CB Trouble Code For Specific Cars

P01CB Volkswagen Ea RF LAMP LOW BEAM CIRCUIT Short to Battery
P01CB Nissan Be-1 Climate Control Recirculation Actuator Out of Limits
P01CB Pontiac Salsa Flash To Pass Switch Circuit Failure
P01CB Maserati A6 Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
P01CB Buick Allure Cylinder 5 Injector Circuit High
P01CB Honda Stepwagon Reverse Engagement Error
P01CB Mercedes Cla ABS Inlet Valve Coil RR Circuit Open