C3783 Diagnostic Trouble Code

C3783 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 C3783 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.
Engine surge

Possible Causes :

Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
An air leak forward of the DPF will change the sensor readings resulting in the code
Defective ECU strategies or components will prevent proper regeneration

Repair Processes :

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

Process Tips

Diagnostic trouble code C3783 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 C3783.

Fortunately, C3783 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3783 Trouble Code For Specific Cars

C3783 Dodge Powerbox Ignition Run/Acc Circuit Failure
C3783 Marcos 2-litre Transfer Case Contact Plate "B" Encoder Circuit Failure
C3783 Alpine A108-904 Air Bag Passenger Circuit Failure
C3783 Hillman Minx PATS Received Incorrect Key-Code From Ignition Key Transponder
C3783 Ferrari 196 Injector High Side Open - Bank 1
C3783 Holden Lx Power Steering Pressure Sensor Circuit Range/Performance
C3783 Chevrolet Equinox Drivers Seat Belt Buckle Switch Circuit Short to Ground