C0566 Diagnostic Trouble Code

C0566 is a kind of OBD-II Diagnostic C-Chassis 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 C0566 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.
Diminished fuel efficiency

Possible Causes :

Faulty IMRC actuator/sensor
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. 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. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code C0566 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 C0566.

Fortunately, C0566 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0566 Trouble Code For Specific Cars

C0566 Skoda 1202 Key Off Voltage High
C0566 Nissan Pixo Cooling Fan Power/Ground Circuit Malfunction
C0566 Honda Crossroad Pressure Control Solenoid Malfunction
C0566 Turner 1100 Pedal Position Rearward Switch Circuit Short to Battery
C0566 Nissan Cube Iii Clutch Pedal Switch A Circuit High
C0566 De Soto Diplomat Hood Switch Circuit Open
C0566 Mazda Roadpacer 4X4 Initialization Failure