C2782 Diagnostic Trouble Code

C2782 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 C2782 diagnostic trouble code may include:

If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Corroded or damaged connector
Reduction in engine performance, especially at low RPM levels
Malfunction Indicator Lamp (MIL) illuminated

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

Look at the plug wires to make sure they are not burnt or laying on the exhaust. 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 C2782 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 C2782.

Fortunately, C2782 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2782 Trouble Code For Specific Cars

C2782 Bmw M6 Clutch Pedal Switch B Circuit
C2782 Kia Soul Ii Sensor Power Supply High Input
C2782 Chevrolet Corvette C5 Driver Sliding Door Ajar Circuit Short to GND
C2782 Bmw 235 Camshaft Position Sensor Circuit Malfunction
C2782 Mercedes A Class ABS Hydraulic Brake Switch Circuit Failure
C2782 Cadillac Lmp Diagnostic Lamp Driver Fault
C2782 Leader 90 System Voltage High